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12 Jul 2017, 07:10
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
50% (00:39) correct
50%
(01:37)
wrong
based on 6
sessions
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What is the remainder when positive integer n is divided by positive integer k, where k>1??
1-) n=(k+1)^3
2-) k=5
1-) n=(k+1)^3
2-) k=5
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12 Jul 2017, 07:11
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How is A be correct as A seems to be give multiple answers.
Can someone explain in details.
Thanks in Advance and KUDOS if you liked the Question.
Can someone explain in details.
Thanks in Advance and KUDOS if you liked the Question.
12 Jul 2017, 07:16
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https://gmatclub.com/forum/what-is-the- ... 96366.html
This question is discussed here.
Anyway for your benefit. This is a number properties question.
1) n = (k+1)^3
Let's take k = 2
then n = 27, remainder = 1
k = 3, then n = 64, remainder = 1
k = 4, n = 125, remainder = 1
Remainder is always 1. Sufficient.
2) Clearly insufficient. We know nothing about N.
Answer is A.
This question is discussed here.
Anyway for your benefit. This is a number properties question.
1) n = (k+1)^3
Let's take k = 2
then n = 27, remainder = 1
k = 3, then n = 64, remainder = 1
k = 4, n = 125, remainder = 1
Remainder is always 1. Sufficient.
2) Clearly insufficient. We know nothing about N.
Answer is A.
