Which number should replace the question mark ?
1 + (7×3) = 22 9 + (2×6) = 21 3 + (8×5) = 43
As 7*3+1 =22 2*6+9 =21
Therefore 8*5+3 =43
Which number should replace the question mark?
Which number should replace the question mark in the picture below ?
5 12 15 7 9 4 23 87 ?
