Sign in
Please select an account to continue using cracku.in
↓ →
Which number will replace the question mark (?) in the following series?
4, 16, 36, 64, 100, 144, 196, ?
4 + 12 = 16
16 + 20 = 36
36 + 28 = 64
64 + 36 = 100
100 + 44 = 144
144 +52 =196
196 + 60 =256
Create a FREE account and get: