ABC26GN1475 · Square Roots and Cube Roots

Subject: General Aptitude · Chapter: Square Roots and Cube Roots · Exam: 2005 · Marks: · Difficulty:

Which smallest number must be added to 710 so that the sum is a perfect cube?

(a)11

(b)19

(c)21

(d)29

Answer

Answer (as printed): B

Explanation

Required number to be added $$=9^{3}-710=729-710=19 .$$

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

Open in whiteboard · Browse this chapter in the app