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</html>";s:4:"text";s:28346:"The numbers on the left imply a number sequence of adding one, but the last one breaks that chain. Problem 2 : Find the missing angle in the quadrilateral shown below. Find the missing numbers in these triangular, self-checking puzzles and discover the wonders of these fascinating structures. This is an easy missing number puzzle for kids. These two triangles are similar. Rectangle Algebra: Find the Missing Length. Fill in the numbers missing in each triangle that has the most preset numbers already. Our Solution: The product of the two largest minus the square of the smallest, So the missing number is 45-16 = 29. SOLUTION: Angle FEH is 63 degrees by vertical angles. Math teaches us that the numbers on the left have to have some sort of equation to equal the numbers that that are equal. Find the side lengths. A parallelogram has ___ sides 13. Then classify the triangle by its angle measures. I bet you know all of them. Missing Number 1 Puzzle. A ratio is a comparison of one number to the size of another number. . This basic level worksheet does not have decimals. Now 12x60=720. Each row and column must equal the numbers at the end. Start with the one that has 2 of the given angles, add them up and subtract from 180. number puzzle. Fill in the blanks with a word which makes two different words if you read from both sides: Tim's father has kept his ______ in the ______ for scoring good marks in math. Play the best free online Puzzle Games: we have a large collection of games where you have to solve puzzles. Maths Starter Missing Number Puzzles. Write it in. Definition: An Integer Triangle is a triangle where all sides have integer length. Each group of four numbers makes up a side of the triangle. Please do help us grow by sharing this with your friends. Here are 2 examples I have been unsuccessfully trying to solve for 2 … Fact family triangles (missing numbers) by. Largest and Smallest Conics. Here are the faces we found. The White triangle is similar to the Red triangle. Answer & Explanation. This is a good example of why patterns are very important in mathematics. solution. 4. Facebook Comments. Find the Missing Number in These Triangles. E. 56 cm 2. Students have to determine the missing numbers in a puzzle. In other words, Pentagon B - Pentagon A = Pentagon C. For example, take the top row of numbers. Share this puzzle. Exercises such as the magic triangle look closed to begin with but there is plenty of potential to change totals or even change the numbers that are put in. Use the difference between numbers to find the missing number. C4 = 2 + 4 + 4 + x = 14. x = 14 - … Crosswords. What is the missing number in this series - 1,16,36,__,81,100,144. posted May 13, 2014 by Aman. If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures... answer choices . Fact Family Houses #1 FREE. Some are so hard, in fact, that less than 60 percent of people can find the missing words in these puzzles. If angle A is acute, and a < h, no such triangle exists. In such a triangle, cos A is a rational number -- a fraction. PDF. For numbers 1-6, denote in the margin to the left of #168707. Finding a Pattern is a strategy in which students look for patterns in the data in order to solve the problem. The number of sides in a triangle multiplies by the number of sides in a hexagon 12. Enter will give brainliest - e-eduanswers.com 9 11 x= [?] Math Puzzles For Kids - 1st to 7th Grades. Introduce your child to algebra with this 5th grade worksheet in which your child will use algebraic equations to find the missing length of each rectangle. In 2nd tri­an­gle :7*3–3*5 =inside number same for 3rd triangle hence in last tri­an­gle num­ber is 3 However the best way to start is the other way round - finding the right squares to hold the numbers. Check Out: The Brain Wiring Test for Kids, Teens and Adults with Answers. For example, arrange three copies of the same triangle so that the sum of the three angles appears to form a line, and give an argument in terms of transversals why this is so. Puzzle 44 | Girl or Boy. Hence, we can find the missing number as; (4*3)+2= 14. Or. Look at the two top triangles, then work out what number should replace the question … • In partners, one person shows the front side of a triangle while covering one number. Multiply 15 by 1, 4, and 7 respectively to get 15, 60, and 105. Do you have the answer? (3 corners) = sum of all three sides - 45. the sum of the three corners is divisible by 3 … The Answer is 60. Sol : Option B. Preview this quiz on Quizizz.  Correct answer to the question Find the missing side of this right triangle Х. Angle HFG is 32 degrees by vertical angles. These worksheets are pdf files. A = 2, B = 5, and C = 3. twominfun. Tags: Question 12 . Wolf Picture - Try the Wolf picture How many you can find? math --- pls check my work! For K-12 kids, teachers and parents. Since the order is descending subtract 7 from 23. Our printable number bond worksheets for children in kindergarten through grade 3 include simple addition of two addends; identifying missing addends; adding three and four digit numbers; three addends, addition tree and number bond templates. The number of sides in one equilateral triangle, one right angle triangle, one isosceles triangle and two scalene triangles. … Answer: The number inside the triangle is the result of the subtraction and multiplication of the outside numbers. Math. The answers to the three challenges are as follows: $1.50. This works for the known equations. Find the missing words from the given clues. A game, a puzzle and a challenge involving counters being placed at the corners of a square on a grid. Arrange the scallywags and scoundrels on the chairs so that the numbers of any two sitting next to each other add up to a prime number. The missing number may be 16. Fill in the missing numbers in each of the addition equations. Numbers star puzzle: Place the numbers so that one of each number is within each outlined large triangle, horizontal row and diagonal row. For K-12 kids, teachers and parents. Let the value to be find be 'x'. Explanation: Let us consider the smallest side of the triangle as 1 cm. Right Triangle Trig. In the table, you can see that … 15. This is because all the given orders of numbers in a number line contain the prime numbers 5, 7, 11, 13, 17, 19 which are all divisible by only ‘1’ and itself. Only include a missing number once, even if it is missing … The Puzzle: What is the missing number in Triangle Four? I think this is because each circle number is used twice to solve the puzzle. 17 = … 1st through 3rd Grades. Clear Out the smoke-Easy Game May 20 stage 1. Show Answer . Fact Family Houses #2. Then classify the triangle by its side lengths. So, looking at triangle EFG, we know vertex E is 63 degrees, vertex F is 95 degrees, so by triangle sum theorem, vertex G (or angle FGH) is 180 - 63 - 95 = 22 degrees. Viewers can check the Number Puzzles Multiple Choice Questions in online mode. Exercises such as the magic triangle look closed to begin with but there is plenty of potential to change totals or even change the numbers that are put in. Our math puzzles and brain teasers are great to use a warmers during the lessons or as math activities. 15 This is how--> a) 8,6,2=4 -> 8-6 =2 2+2 =4 b) 12,5,8=15 -> 12-5=7 7+8=15 c) 13,10,x=18 -> 13-10=3 3+x=18 ==> So, x=18-3 = 15. 60. Solving One Step Equations: Basic(Addition & Subtraction) Solve each equation and find the value of the variable. C3 = 6 + 5 + 2 + 1 = 14. Missing Number Puzzles. 160 *2 = 320 -1 = 319. Write the correct addition/subtraction fact family for each set of numbers. Missing Angles in Triangles DRAFT. We are forming an image. 41. So, add the first number to the product of the two numbers to get the answer. The key fit only the lock of chest number 4. (5+3) * 3 = … That extra “1” is essentially where the missing square comes from. 1. 5. 132 7 = 18.85 ⋯, 132 8 = 16.5, 132 9 = 14.66 ⋯, 132 10 = 13.2. How To Find Missing Angles; Worksheet. If you get the correct answer, share it with your friends on WhatsApp, Facebook and other social networking sites. But you can see that there is already a 3 in row I (square If ) so a 3 cannot go in square Ic , the 3 must go in the other square Ac it is the only square in column c where a 3 can be allocated. Ski Trail Tracker #5. Problem 4 : Find the value of x in the square shown below. Solution: 20 Triangles. 10 . No, because we can double the length of the sides of the 3-4-5 triangle and still have a right-angled triangle: its sides will be 6-8-10 and we can check that 10 2 = 6 2 + 8 2 . They are about identifying a pattern in the set of equations and applying it to the unknown. As ratio of areas = ratio of bases when height is same, Ratio of sides is 2:3. Age Range: 5 - 16. The number of sides in one equilateral triangle, one right angle triangle, one isosceles triangle and two scalene triangles. Missing Number 1 Puzzle - Solution. However, these are tough puzzles and will twist your brain. Try MentalUP to accept daily challenges and develop your skills: … Problem 3 : Find the missing angle in the quadrilateral shown below. So, area ∆NMX = 1/2 * 8 * 8 = 32. Sudoku. To form a rectangle, we need 4 lines. We have Free Practice Inserting The Missing Character (Reasoning) Questions, Shortcuts and Useful tips. Proof Using Figure 17: Triangle CDE is congruent to triangle ACB by leg-leg. Help young math students practice addition with these missing addends worksheets. The Witness is a big, open game, which can make it hard for completionists to achieve 100%. This online calculator helps you find gaps and missing numbers in a sequence of numbers. Example/Guidance Lines and Angles. Number Cycle by Bob Kraus: Find a cycle of five 4-digit numbers such that the last 2 digits of each number are equal to the first 2 digits of the next number in the cycle. The last five numbers in the sequence would be 10, 13, 3, 12, and 2. If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures... answer choices . Method 1: This method uses the technique of the summation formula.. Themed to 'The Riddler', I have used this with all ages and ability and it has gone down a treat. In the first triangle; (6 – 2) x 2 = 8; Similarly in the 2nd and 3rd triangle; (7 – 5 ) x 3 = 6 & (7 – 4) x 2 = 6. The solution. Explanation: If you notice, then there is no pattern in this image between the numbers. Therefore, the number of tricycles parked is 6 and hence the number of bicycles is 10. Find the logic behind the numbers and then find the missing number. This is a set of cards with fact family triangles that have a missing number. Thus the Green Region = 5.5 units. Three different versions are available, so you can choose the puzzle that matches the age and ability of your children. Continuing this process by tripling 3-4-5 and quadrupling and so on we have an infinite number of Pythagorean triples: 3. Find a Missing Angle Guided Notes/Worksheets ... #168706. If angle A is acute, and a = h, one possible triangle exists. SHOW ANSWER. Use the triangle inequality to determine whether ... Three sides of one triangle are congruent to the corresponding sides of another triangle ... (When you are done with the puzzle, there are: 3 SAS, 5 AAS, 2 ASA, and 2 SSS instances.) 100. You can find a full explanation of the answer on Reader's Digest. For those of you who need a reminder, the ambiguous case occurs when one uses the law of sines to determine missing measures of a triangle when given two sides and an angle opposite one of those angles (SSA). Below is a simple calculator that can help you to find missing numbers in an integer sequence. Find the length of the missing side of the right triangle (A triangle is shown to have a base of 15 cm and a height of 8 cm. Number of different sums = 3n-5. Students have to determine the missing numbers in a puzzle. This page will document easy to miss puzzles in … Find the area for the following figure. mathematical. 45-45-90 Right Triangles ( Read ) … Definition: An Integer Triangle is a triangle where all sides have integer length. Missing Angles in Triangles DRAFT. Angle EFH is 63 degrees by the properties of an isosceles triangle. When presented with a right triangle with missing angle measurements or side lengths, use trigonometric ratios in order to find the missing angle measures or side lengths. If we observe the first two figure properly, we get an idea of the pattern which is in such a way that the number written inside the triangle is the difference of the numbers written outside it. The missing numbers are 1 and 3. Preview this quiz on Quizizz. Checking the pattern in the first two figures, we have to find missing number in the third. Worksheet. Therefore, you will use Trig Ratios, the Triangle Sum Theorem, and/or the Pythagorean Theorem to find any missing angle or side length measures. Calendar Magic 9. We can select these lines by = 9 C 2 * 9 C 2 = 36*36=1296. Themed to 'The Riddler', I have used this with all ages and ability and it has gone down a treat. Tags: Brain Teasers , Kids Puzzles , Maths Puzzles , Missing Number , Puzzles. Explanation: (5*6)+2=32. Approach: The length of the array is n-1. Can you find the missing number Show Answer The missing number is 55 Explanation: (7+2)* (7-2)=45 (4+5)* (5-4)=9 (8+3)* (8-3)=55. 5th Grade. It mentions "lines continue across the gap". Inserting The Missing Character, Verbal Reasoning - Mental Ability Questions and Answers with Explanation. The missing number is 57. 100. The Puzzle: What is the missing number in Triangle Four? Easy to Miss Puzzles. 3. Multiplying downside corner numbers of the triangle and then subtract the upper corner number to get the central number. However the best way to start is the other way round - finding the right squares to hold the numbers. Again counting from 1 to 9 you will find that 1, 3 and 5 are the numbers missing from column 3. The answer to this "Missing Number Maths Logic Puzzle", can be viewed by clicking on the button. Please let us know if you liked it. The order of numbers is going down or descending. Number Puzzles Reasoning Questions and Answers with Solutions. They are; for a 4th order triangle with S = 18 or 22, and, 3rd order pentagon with S = 15 or 18. Problem 1 : Find the missing angle in the triangle shown below.  Find the missing numbers in this puzzle. A strategy you could use to find the solution that has 10 pennies on each side is listing all the ways you can make 10 by adding three different numbers. The only thing is that the numbers are all jumbled up and continuous. Return the missing numbers sorted ascending. 90. 180° in a Triangle Activity (2-Page Cutting Out Activity) Finding Missing Angles The argument here is based on the fact that the sum of two even numbers is even; the sum of two odd number is even and the sum of an even and an odd number is odd. 60. View answer. Divide 12 into 180, the total number of degrees in a triangle's three angles. To find what number should go in the empty triangle, multiply the numbers in the left & top vertex of the triangle, add the resulting product to the number in the right vertex of the triangle. For this reason a blank triangle has been included at the end of the module. We find early records of magic square puzzles coming from China and Arabia. SURVEY . #SimplyLogical #MathPuzzlesWhich Number Replaces The Question Mark In Triangle ?? Solution: The missing number is found to be 13. 5th grade. The digits 0 through 9 all follow the same pattern there is exactly 1 occurrence of each digit for every ten numbers. Find the missing numbers in this puzzle. The missing number is : 41. Then you get the correct answer (27) Posted on Jun 15, 2021. The following problem can be solved by finding a pattern: There are 1000 lockers in a … Problem 1 : Find the missing angle in the triangle shown below. This even allows for the special ‘case of the two missing sums in the order 4 triangle. That's 12. The angles inside a triangle are called interior angles. Now there are just three odd numbers and we can either have an odd number of odd numbers on one side of the triangle or we can have an even number. This uses a technique called 'crosshatching', which only takes a couple of minutes to learn. 7 + 7 + 12 = 26 ; 10 + 7 + 9 = 26 ; 14 + 7 + 5 = 26 ; 12 + 7 + 7 = 26 ; If we take 4 , 5 , 6 in the place of 7, we will get … 2. This is a simple missing number puzzle question. Maths puzzles for children in 1st, 2nd, 3rd, 4th, 5th, 6th and 7th grades. Welcome! 3. You find a small keypad on the handcuffs with a 2 digit readout. It is intended as a tutorial on the Number Puzzles, and commonly asked qestions in all interviews. 289 cm B. Ans. Area Wall Puzzles Divide the grid into rectangular pieces so that the area of each piece is the same as the number it contains. Two figures are similar if the lengths of their corresponding sides form a proportion. It can solve many 'easy' rated puzzles on its own. It was a great brain teaser for treasure hunters! I am struggling to find some logic in it. For instance the digit 2 appears once between 10 and 19, at 12. "What is the missing number?" This puzzle is about consistent numbers. 6th grade. Mar 24, 2018 - Brain Teaser | animal puzzle for math stars Can you find the answer? FIND MISSING ANGLES IN TRIANGLES AND QUADRILATERALS WORKSHEET. Worksheet. Interesting Math Problem. 2) If the numbers in the squares are all even, the numbers in the circles are either all odd or all even. Lets denotes the missing number with A. Also, there are 81 stable elements. Online test for SSC CGL, CHSL, Railway, Bank PO, MBA and other competitive exams. Those are the number of degrees in the three angles you want. Ans. Essentially, we are given four numbers, but only three are known. The numbers 1-9 add up to 45. since each corner contributes to two sides. 2. 1+2+3=6 and 1X2X3=6. Logic Puzzle With Answers. Challenge questions given! 1. so that all three sides of the triangle have the same sum. Find the right lock for the key! Missing Number 1 Puzzle. I’m Sarah Carter, a high school math teacher who passionately believes math equals love. ? Solve the magic triangle puzzle worksheet with solution to practice & learn 5th grade math problems on missing number is available online for free in printable & downloadable (pdf & image) format. Tap on PRINT, PDF or IMAGE button to print or download this grade-5 worksheet for finding which number should go in the empty triangle? The idea is that pupils have to start with the information they have in the bottom triangle and work their way up through the stack, finding missing side lengths to allow them to calculate the length of the hypotenuse of the top triangle. Animals Picture - Look at the picture and see how many you can find.. Or. The first angle is three times the second angle. Another worksheet with fact family houses in which students much write the correct numbers… For the first die, for example: 8 + 4 + 7 = 19; for the second: 8 + 2 … Each square number is the product of the numbers in the circles on both sides. Of course, within a side you can switch round numbers that aren't on a corner, but that doesn't really give any new solutions. Fill the glass with soda-Easy Game May 20 stage 3. Answer & Explanation. Three numbers are given as the side lengths of a triangle. Contains Important Number Puzzles Interview Questions with Answers and Number Puzzles FAQs helpful for clearing any Number Puzzles Job Interview. Problem 3 : Find the missing angle in the quadrilateral shown below. A parallelogram has ___ sides 13. Please do give your best try before looking at the answer. 6th grade. Find the area of the smallest ellipse that can be drawn through the vertices of a triangle with sides 5cm, 12cm and 13cm. 1) The totals in the squares are double the totals in the circles. I would really appreciate any advice on how to approach this kind of puzzles. 3. Show Answer. Add 1 + 4 + 7. Jobs . Puzzle 36 | (Matchstick Puzzle) Puzzle 37 | (Maximum run in cricket) Puzzle 38 | (Tic Tac Toe Puzzle) Puzzle 39 | (100 coins puzzle) Puzzle 40 | (Find missing Row in Excel) Puzzle 41 | (Guess Color of Hat) Puzzle 42 | (Placing the numbers) Puzzle 43 | Muddy Heads. Your boss want a coffee this color-Easy Game May 20 stage 2. Great used for a starter or end of term activity/plenary. The other person must identify the missing number and the four facts in that fact family. Fill in the missing numbers in each circle. Can you find the missing numbers in the triangle puzzle? Through this blog, I’m on a mission to equip other teachers to create inviting and engaging classrooms where learning mathematics is fun. Find the measure of the missing angle. PDF. As it happens, a [7, 7, 13] triangle can be divided into two non-similar triangles with integer sides: [3, 5, 7] and [3, 7, 8]. Below are six versions of our grade 4 math worksheet on finding the missing addend in a 4-digit number written in expanded form. 1st through 3rd Grades. Try to find the logic behind the numbers in the triangle to find the missing number. This is a simple missing number puzzle question. Please let us know if you liked it. Also share it with your friends on social media. The missing number is 57. So, answer is 3. If we take 7 as answer, in every row, column, cross line containing center number, sum of numbers gives 26. If we take 4 , 5 , 6 in the place of 7, we will get 23 , 24 , 25 in the place of 26. So, answer is 4,5,6,7. In the above math puzzle, in each circle sum of even numbers is equal to sum of odd numbers. Puzzles and Brain Teasers to Expand your Mind. 6 is the only number in the vast sea of numbers which is both the sum and product of the same three numbers. Example 3: Find the missing number in the following sequence 5, 7, 11, ?, 17, 19. The number in the bottom partition of the triangle is the sum of the numbers above it plus the average of those numbers. Since 1, 3 and 5 must go into column 3 somewhere, you can deduce that the 7 must go into cell (R2,C1). Students look for items or numbers that are repeated, or a series of events that repeat. Reasoning Quant Verbal Data Vocab Interview Prep E-library/Books Puzzles ... ★ ★ ★ ★ ★ Finding Missing Character Practice Questions : Level 01 . Next Puzzle. Math puzzles like this aren’t about literally interpreting mathematical symbols. Also share it with your friends on social media. Number Puzzles Questions - Number Puzzles With Solutions Quiz Details If a quality control sheet was included in the box, send this back as well Note: No individual pieces will be replaced, only entire puzzle. Fill in the missing numbers in each of the addition equations. Here, you can see a number of integer triangles which share the same angles. Here is a bit more of the explanation. Therefore we can find the missing number as; (6 -5) x 3 = 3. Total sides of 3 hexagons 14. This interview section questions contains a brief introduction to the Number Puzzles . If you add up the numbers 3+4+5=12 and multiply 3x4x5=60. Got to love problems like this one. This resource is a challenging puzzle to consolidate learning on trigonometry. W A B I C R C G A N B A S C E G C J B R A H E B E Y S The obvious way to solve a sudoku puzzle is to find the right numbers to go in the squares. Number Puzzle Question. This worksheet has a two model problems and 12 for students to solve. Alternative answer: Pattern: The fractional part of number in triangle number left of triangle is less than 1 2. (2 sets of parallel lines). Maybe it's not that straightforward. We can prove that they are similar using a ratio table to compare the lengths of their corresponding sides. Worksheet. Some are so hard, in fact, that less than 60 percent of people can find the missing words in these puzzles. The difference between numbers is 30 - 23 = 7. So the sum of all n elements, i.e sum of numbers from 1 to n can be calculated using the formula n*(n+1)/2.Now find the sum of all the elements in the array and subtract it from the sum of first n natural numbers, it will be the value of the missing element. help pls asap!!! Math explained in easy language, plus puzzles, games, quizzes, videos and worksheets. See this puzzle without solution Discuss this puzzle at the Math is Fun Forum. These puzzles are fun activities for children and cover several math topics in the grades earlier mentioned. Check my work! This maths worksheet is ideal for helping students practice their math problem-solving skills by finding out the missing numbers in the pyramid using addition.Each question has numbers in different areas of the pyramid, presenting a different challenge to your KS2 students (Year 3-6) with every question. If a number occurs multiple times in the lists, you must ensure that the frequency of that number in both lists is the same. Great used for a starter or end of term activity/plenary. Brain Games. Easy game Daily Challenge May 21 Answers. Number bond is a special concept to teach addition and subtraction. You need to shade in or separate out 1 triangle at a time. Number puzzles or mathematical puzzles and have a specific set of rules. a + b means a + ab. The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures; or rather to teach them not to reason using figures, but to use only textual descriptions and the axioms of geometry. Repeat the process. B - … 80. The number of right angles in 2 squares and 2 rectangles 16. The solution is unique. The missing numbers are 1 and 3. Read more: 10 … Review Magnus' note in inventory. Find the measure of the missing angle. Now count and you will find out that we have 1 + 5 + 5 + 1 = 12 triangles with the side 1 cm. In the above image, one number is missing. Then work from there. Answer is 24. Brain Games: Fun Workouts for a Sharp Mind Word Worm Do you have the answer? Therefore we can find the missing number as; (6 -5) x 3 = 3. In this missing number puzzle, your challenge is to find the missing number in the square. The area of a 3,4,5 triangle is 6. Try these other picture puzzles we have for your entertainment! Similarly in the second triangle; 7 + 5 + ((7+5)/2) = 12 + 12/2 = 12 + 6 = 18. There is a note written on your arm. Therefore, the missing number can either be 0 or 16. category : SERIES | PICTURE. Challenge your children to count how many triangles they can find in these Christmas tree puzzle pictures! Online test for SSC CGL, CHSL, Railway, Bank PO, MBA and other competitive exams. The numbers missing are . Fill in the blanks with a word which makes two different words if you read from both sides: Tim's father has kept his ______ in the ______ for scoring good marks in math. Nevertheless, do you also know the answer for this number math puzzle? Name of puzzle 5. Daily Puzzles. $1.00. 17 cm *** C. 23 cm D. 4.79 cm 2. Number of triangles with side 2 cm = 1 + 2 (triangles facing upwards) + 1 + 2 (triangles facing downwards = 6 triangles. Answer = 3 180 ÷ 12 = 15. Notes. (7 – 4) x 2 = 6. solution Number Bonds Worksheets. 11. Sum of all three sides = 3 * one side. Brain Teasers Resources . Place value worksheets: find the missing addend in the expanded 4-digit number. You will find this video if you search for how to solve triangle puzzle, triangle puzzle missing number, find the number of triangles in the given figure trick, how many triangles are there in a star, how many triangles puzzle answer 9, how many triangles 9, triangle number puzzle 1-9 6 9 4 10 5 10 12 8 12 15 5 13 11 Remember to check your answers carefully. Questions based on Number Puzzles, check your knowledge and … An example using the 3-7-21 card pictured above: § Covering the starred number (21) requires the other person to find 3 x 7 or 7 x 3 Results . Study the given numbers in the square carefully to find the pattern followed by numbers and then find the value of the missing number which will replace the question mark. Hence the answer is. The aim is to find a missing number (integer) an put it instead of the question mark. C2 = 3 + 8 + 1 + 2 = 14. 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