Question

Let a, b, c be distinct digits. Consider a two digit number ‘ab’ and a three digit number ‘ccb’, both defined under the usual decimal number system. If $(ab)^2$ = ccb and ccb < 300, then the value of b is

• A. 0
• B. 1
• C. 2
• D. 5
• E. 6

Answer 1

Answer: (D)

5

Answer 2

The correct option is (D): 5