How many two-digit numbers satisfy this property.: The last digit (unit's digit) of the square of the two-digit number is 7 ?\nOptions:\n(A) 3\n(B) 1\n(C) 4\n(D) 0\n(E) 2
Step-by-step reasoning:
(D)
A number ending with 7 can never be a perfect square.

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Thus, the answer is (D)