How many two-digit numbers satisfy this property.: The last digit (unit's digit) of the square of the two-digit number is 8 ?\nOptions:\n(A) 1\n(B) 2\n(C) 3\n(D) 4\n(E) none of these Hmmm, my stream of consciousness:
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A number ending in 8 can never be a perfect squar So, the answer is (E).
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