A perfect square will never end in 2, 3, 7 or 8. (last digit cannot be 2, 3, 7 or 8)
Here E is the odd one out.
If x is a positive integer, which of the following could NOT be the square of x?
[A] 5,008,644
[B] 5,004,169
[C] 4,999,696
[D] 4,995,225
[E] 4,990,752