How many two-digit numbers satisfy this property: The last digit (unit's digit) of the square of the… · ABC26GN1354

Subject: General Aptitude · Chapter: Square Roots and Cube Roots · Exam: C.P.O. 2006

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.

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