How many two-digit numbers satisfy this property.: The last digit (unit's digit) of the square of the two-digit number is 3 ?
Options:
(A) 4
(B) 0
(C) 3
(D) 2
(E) 1 Hmmm, my stream of consciousness:
A number ending with 3 can never be a perfect square. So, the answer is (B).