Subject: General Aptitude · Chapter: Square Roots and Cube Roots · Exam: · Marks: · Difficulty:
Find the smallest number by which 5808 should be multiplied so that the product becomes a perfect square.
(a)2
(b)3
(c)7
(d)11
Answer
Answer (as printed): B
Explanation
$5808=2 \times 2 \times 2 \times 2 \times 3 \times 11 \times 11=2^{2} \times 2^{2} \times 3 \times 11^{2}$. To make it a perfect square, it must be multiplied by 3.
Explanation as extracted from the printed page; notation may be imperfect.