Subject :IMO Class : Class 3
If 
is coded as 9, 
is coded as 16 and 
is coded as 25, then how is 
coded ?
(A) 72
(B) 54
(C) 64
(D) 36
Ans 1:
Class : Class 3
Answer is 64. sides of shape multiply with same. 3*3=9 ,4*4= 16,5*5= 25, 8*8=64