Question: How many five-digit numbers satisfy this property.: The last digit (unit's digit) of the square of the two-digit number is 3 ?
Options:
(A) 33
(B) 66
(C) 0
(D) 99
(E) 132 Let's think first. Some random reasoning:
A number ending with 3 can never be a perfect square. The final answer: (C).