question_answer

Select the one which is different from the other three responses.

A)  \[49-7\]          

B)  \[36-6\]

C)  \[64-8\]                      

D)  \[80-9\]

Correct Answer: D

Solution :

 \[{{7}^{2}}\to 49\Rightarrow {{6}^{2}}\to 36\] \[{{8}^{2}}\to 64\Rightarrow {{9}^{2}}\to 81\ne 80\] So,  is differ from other responses.