Missing Number 2 Puzzle - Solution

The Puzzle:

Missing Number 2




Our Solution:

The left number multiplied by 5 gives the total of the other two:
27 × 5 = 56 + 79
23 × 5 = 88 + 27
16 × 5 = 56 + ??

So ?? = 16 × 5 - 56 = 80 - 56 = 24


Puzzle Author: Stephen Froggatt

See this puzzle without solution
Discuss this puzzle at the Math is Fun Forum