1000+ Number Puzzles Aptitude Questions and Answers - 1

Ans: 11

13 + 31 = 44 and 44 ÷ 4 = 11

Ans: 88 and 55

Deducts 5, 7, 9, 11, 13, 15, 17

Ans: 910

5 + 4 = 9; 3 + 7 = 10

Ans: 5

Each number in the outer circle is the difference of the two numbers immediately next to it anti-clockwise in the inner circles. So, 9 - 4 = 5, 7 - 5 = 2, 8 - 1 = 7, etc.

4
6
3
7
Reverse the numbers in the previous column and add 1 to the number at the bottom of that column.