If x is a positive integer, which of the following could NOT be the square of x?	Options
A) 5,008,644 B) 5,004,169 C) 4,999,696 D) 4,995,225 E) 4,990,752
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.   Answer: 4,990,752
<result>E</result>
If x is a positive integer, which of the following could NOT be the square of x?