Which of these following integers is the square of an integer?
Select the correct option
A) 49981101542
B) 49206101137
C) 49471101241
D) 49859101723
E) 49323101988
The unit digit of any perfect square can not be 2, 3, 7, or 8.   The answer is 49471101241.
<result>C</result>
Which of these following integers is the square of an integer?