ABC26GN1462 · Square Roots and Cube Roots

Subject: General Aptitude · Chapter: Square Roots and Cube Roots · Exam: 2009 · Marks: · Difficulty:

$\sqrt[3]{681472}=$ ?
(a)76
(b)88
(c)96
(d)98
Answer
Answer (as printed): B
Explanation
$681472=8 \times 8 \times 8 \times 11 \times 11 \times 11=8^{3} \times(11)^{3}$. 8 | 681472 ; 8 | 85184 ; 8 | 10648 ; 11 | 1331 ; 11 | 121 ; 11 $$\sqrt[3]{681472}=8 \times 11=88 .$$

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

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