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 Let's think first. Stream of consciousness:
User
A number ending with 7 can never be a perfect square.
So, the answer is (D).
Assistant