ABC26GN1476 · Square Roots and Cube Roots

Subject: General Aptitude · Chapter: Square Roots and Cube Roots · Exam: 2014 · Marks: · Difficulty:

Solve $\sqrt{7921}=$ ?

(a)89

(b)87

(c)37

(d)47

Answer

Answer (as printed): A

Explanation

8 8 | 7921 64 ; 169 | 1521 ; 9 | 1521 × $$\Rightarrow \sqrt{7921}=89$$

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

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