How many perfect squares lie between 120 and 300? · ABC26GN1359
Subject: General Aptitude · Chapter: Square Roots and Cube Roots · Exam: S.S.C. 2010
How many perfect squares lie between 120 and 300?
(a)5
(b)6
(c)7
(d)8
Answer
Answer (as printed): C
Explanation
$(11)^{2}=121$ and $(17)^{2}=289$. So, the perfect squares between 120 and 300 are the squares of numbers from 11 to 17. Clearly, these are 7 in number.
Explanation as extracted from the printed page; notation may be imperfect.