6 3 2
-3 ? 5
———-
2 6 7
Answer with Explanation
Answer is 6.
How?
It is the simple subtraction as we used to do in our early maths classes in our childhood, so just reminds us of those days of taking carry and subtracting.
Number Puzzle #11
Number Puzzle #10
1 2 3
2 4 6
3 6 ?
Answer with Explanation
Answer is 9.
How?
Here, every element in second row = corresponding column element in first row * 2.
Similarly every element in third row = corresponding column element in first row * 3.
Number Puzzle #9
50
20 40
90
30 10
?
Answer with Explanation
Answer is 30.
How?
Sum of the numbers on vertices of a triangle should be 90, i.e. 20 + 40 + ? = 90 => ? = 30.
Number Puzzle #8
4
6 2
9 3 1
19 10 7 ?
Answer with Explanation
Answer is 6.
How?
Here, Number in a block is sum of the number on the top and right block so 7 = 1 + ?, hence ? should be 6.
Number Puzzle #7
Find the missing number
1 ? 12 11
6 7 14 13
8 5 10 15
4 2 9 3
Answer with Explanation
Answer is 0 OR 16.
How?
Here, there is no special pattern except that they are continuous numbers which are jumbled up, so the missing number can either be 0 or 16.
Number Puzzle #6
5 13 8 # 11 11 # 6 ? 3
Answer with Explanation
Answer is 9.
How?
Here, every middle element is the sum of the other two so answer should be 6+3 = 9.
Number Puzzle #5
If,
1 = 5
2 = 25
3 = 325
4 = 4325
Then, 5=….. ?
Answer with Explanation
Answer is 54325
How?
Just keep appending the new number to the previous answer 🙂
Number Puzzle #4
6 – 1 x 0 + 2 / 2 = ?
Answer with Explanation
Given
6 – 1 x 0 + 2 / 2
= 6 – 0 + 1
= 7
So answer to above number puzzle is 7
Number Puzzle #3
IF 11*11 = 4, 12*12 = 9, Then 13*13 = ?
Answer with Explanation
Given
11×11 = (1+1)*(1+1) = 4
12×12 = (1+2)*(1+2) = 9
13×13 = (1+3)*(1+3) = 16
So answer to above number puzzle is 16
Number Puzzle #2
IF 1 =2, 4 20, 6 =42, 9=90, Then 10 =?
Answer with Explanation
Given 1 = 1^1 + 1,
4 = 4*4 + 4 = 20
6 = 6*6 + 6 = 42
9 = 9*9 + 9 = 90
10 = 10*10 + 10 = 110
