The smallest number to be added to 680621 to make the sum a perfect square is · ABC26GN1428

Subject: General Aptitude · Chapter: Square Roots and Cube Roots · Exam: S.S.C. 2005

The smallest number to be added to 680621 to make the sum a perfect square is

(a)4

(b)5

(c)6

(d)8

Answer

Answer (as printed): A

Explanation

∴ Number to be added $=(825)^{2}-680621$ $=680625-680621=4$.

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

Study loop for Square Roots and Cube Roots