256, 225, 196, 169, 144, ?
Choose the correct choice from the following options
A) 49
B) 64
C) 81
D) 121
E) 100
Explanation :   The pattern is 16^2, 15^2, 14^2, 13^2, 12^2, ...   So next number is 11^2 = 121   Answer : Option 121
<result>D</result>
256, 225, 196, 169, 144, ?