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If k is an non-negative integer and 15^k is a divisor of 759
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05 Nov 2017, 02:24
05 Nov 2017, 02:24
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Question Stats:
55% (02:29) correct
44% (02:17) wrong based on 9 sessions
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If k is an non-negative integer and 15^k is a divisor of 759,325 then 3^k - k^3=
A. 0
B. 1
C. 37
D. 118
E. 513
Kudos for correct solution.
A. 0
B. 1
C. 37
D. 118
E. 513
Kudos for correct solution.
Re: If k is an non-negative integer and 15^k is a divisor of 759
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05 Nov 2017, 06:46
05 Nov 2017, 06:46
1
The fact that it is specified that k is non-negative is a nice hint from which we can start. Let's try k = 0.
15^0 = 1 and 1 is a factor of 759,325. Then, 3^0 - 0^3 = 1 - 0 = 1
Answer B
15^0 = 1 and 1 is a factor of 759,325. Then, 3^0 - 0^3 = 1 - 0 = 1
Answer B
gmatclubot
Re: If k is an non-negative integer and 15^k is a divisor of 759 [#permalink]
05 Nov 2017, 06:46
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