GATE | Sudo GATE 2020 Mock II (10 January 2019) | Question 1

What is the smallest positive integer x, that to be subtracted from 2747 to get a perfect cube ?
(A) 0
(B) 1
(C) 2
(D) 3


Answer: (D)

Explanation:

14 x 14 x 14 = 2744.

15 x 15 x 15 = 3375. 

Find the difference. We get 3.

Option (D) is correct.

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