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.

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) 1

(b) 0

(c) 5

(d) 6

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