Fill the question mark
8 6 4 4 1 9 5 1 ?
Ans is 16 C=(a-b)^2 a b c 8 6 4 4 1 9 5 1 16
(8-6)^2=4 (4-1)^2=9 (5-1)^2=16
so, the answer is 16.
Replace The Question Mark Below With Correct Number?
2 {38} 3 4 {1524} 5 6 {3548} 7 8 {????} 9
Fill the question mark in the following grid?
6 8 7 3 64 4 24 48 ?
5 11 6 9 13 18 11 20 21 25 16 ?