100+ Missing Number Puzzles Questions and Answers - 1

Ans: 67

As numbers go down multiply by 2 and subtract 3.

Ans: 41

The center number is the difference between the products of the two diagonals. 41 = (13 x 7) - (10 x 5).

Ans: 5.

The middle number is the product of the top and lower left number divided by the lower right number. 5 = 11 x 10 ÷ 22.

Ans: 36

In rows, multiply the left and centre numbers then subtract the smaller of the numbers to give the right hand value.

Ans: 30

Numbers increase by 7, then 6, 5, 4 and 3.