Square Root and Cube Root - Quantitative Aptitude (MCQ) questions for Q. 20936

Q.  How many two-digit numbers satisfy the following property given below:
The last digit (unit's digit) of the square of the two-digit number is 8?
- Published on 13 Apr 16

a. 4
b. 12
c. 15
d. None of these

ANSWER: None of these
 
Any number ending in 8 can never be a perfect square. Hence, the answer is none of these.

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