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Home › HSSC PGT Hindi Exams › 2016-03-27 (27 Mar)
Question 74 of 80
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Which number is different from the other three?

A
81
B
8
C
16
D
625
Correct Option: B

Explanation

81 = 3⁴, 16 = 2⁴, and 625 = 5⁴. All three are fourth powers of integers, whereas 8 = 2³ is a cube.

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