1000+ Number Puzzles Questions with Answers - 1

Ans: 74

51 + 48 (84 reversed) = 99
8 + 47 = (74 reversed) = 55
13 + 21 (12 reversed) = 34.

Ans: 91

47 + 35 ( 53 reversed) =82
73 + 18 (18 reversed) = 91

Ans: 1

7 x 3 = 21.
Similarly 7 x 5 = 35, 6 x 8 = 48 and 2 x 9 = 18.

Ans: 453

In each pyramid divide the top number by 2, the bottom left number by 3 and the bottom right number by 4, to produce the three digits in the middle.

Ans: 1

Take the difference in the pairs of numbers right and left to obtain the numbers top and bottom. So, difference between 8 and 5 is 3 and difference between 7 and 1 is 6.