Vishwanath
Saturday, February 16, 2013
31. How many two-digit numbers satisfy this property: The last digit (unit's digit) of the square of the two-digit number is 8 ?
A. 1
B. 2
C. 3
D. None of these
Answer:
Option : D
A number ending in 8 can never be a perfect square.
Title : Square Roots And Cube Roots Q31
Description : 31. How many two-digit numbers satisfy this property: The last digit (unit's digit) of the square of the two-digit number is 8 ? ...
Rating : 5
