Question

You have to choose the one which does not belong to the group.

• A. $3:8$
• B. $6:35$
• C. $7:50$
• D. $1:0$

Answer 1

The correct option is C $7:50$

In other numbers except $7:50$,

second number is one less than the square of first number.

Whereas in $7:50$ the second number is one more than the square of the first number.

So, option C.