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16 Sep 2021, 02:00
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
86% (01:00) correct
14%
(01:12)
wrong
based on 74
sessions
History
Date
Time
Result
Not Attempted Yet
Which of the following is NOT equal to the cube of an integer?
(A) \(0^2 + −1^2\)
(B) \(3^2 − 1^2\)
(C) \(6^2 − 3^2\)
(D) \(7^2 + 5^2\)
(E) \(10^2 + 5^2\)
(A) \(0^2 + −1^2\)
(B) \(3^2 − 1^2\)
(C) \(6^2 − 3^2\)
(D) \(7^2 + 5^2\)
(E) \(10^2 + 5^2\)
16 Sep 2021, 02:45
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(A) \(0^2 + −1^2 = +- 1^3\)
(B) \(3^2 − 1^2 = 8 = 2^3\)
(C) \(6^2 − 3^2 = 27 = 3^3\)
(D) \(7^2 + 5^2 = 74\). Not equal to cube of any integer
(E) \(10^2 + 5^2 = 125 = 5^3\)
Hence, OA is (D).
(B) \(3^2 − 1^2 = 8 = 2^3\)
(C) \(6^2 − 3^2 = 27 = 3^3\)
(D) \(7^2 + 5^2 = 74\). Not equal to cube of any integer
(E) \(10^2 + 5^2 = 125 = 5^3\)
Hence, OA is (D).
asishron29181
Joined: 04 May 2020
Last visit: 04 Nov 2022
Posts: 185
Own Kudos:
Given Kudos: 68
Location: India
Schools: Great Lakes (I)
GMAT 1: 610 Q47 V27
WE:Programming (Computer Software)
16 Sep 2021, 03:47
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Which of the following is NOT equal to the cube of an integer?
(A) 0^2+−1^2 = (+1)^3 / (-1)^3
(B) 3^2−1^2 = 2 = 2^3
(C) 6^2−3^2=27 = 3^3
(D) 7^2+5^2 = 74 (not a cube of any integer)
(E) 10^2 + 5^2 = 125 = 5^3
IMO D
(A) 0^2+−1^2 = (+1)^3 / (-1)^3
(B) 3^2−1^2 = 2 = 2^3
(C) 6^2−3^2=27 = 3^3
(D) 7^2+5^2 = 74 (not a cube of any integer)
(E) 10^2 + 5^2 = 125 = 5^3
IMO D
