Question

Q57. Which one of the following does not belong to the group for lack of common property?

• A. (a) 64 – 8
• B. (b) 80 – 9
• C. (c) 7 – 49
• D. (d) 36 – 6

Answer 1

The correct option is B

(b) 80 – 9

Except (b), in all others one number is a square of the other number, while 80 is not a square of 9.