ABC26GN1428 · Square Roots and Cube Roots

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

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.

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