ABC26GN1354 · Square Roots and Cube Roots

Subject: General Aptitude · Chapter: Square Roots and Cube Roots · Exam: 2006 · Marks: · Difficulty:

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

Answer (as printed): D

Explanation

A number ending in 8 can never be a perfect square.

Explanation as extracted from the printed page; notation may be imperfect.