Choose or find odd number - 10 , 11 , 15 , 16

B. 11

Choose or find odd number - 51 , 144 , 64 , 121 , 256

A. 51

Select the number that is different from the others.

D. 12

Identify the number that does not belong to the group.

C. 30

Identify the number that does not belong to the group.

C. 42