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Which of the following is NOT divisible by the product of 5, 6, and 8

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Posts: 55266
Which of the following is NOT divisible by the product of 5, 6, and 8  [#permalink]

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New post 06 Nov 2018, 00:21
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

71% (01:03) correct 29% (01:40) wrong based on 51 sessions

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Joined: 31 Oct 2013
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Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
Re: Which of the following is NOT divisible by the product of 5, 6, and 8  [#permalink]

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New post 06 Nov 2018, 01:08
1
Bunuel wrote:
Which of the following is NOT divisible by the product of 5, 6, and 8 ?

A. 2^4 × 3 × 5
B. 2^3 × 3^2 × 5
C. 2^5 × 3 × 5
D. 2^4 × 3^3 × 5 × 7
E. 2^5 × 3^2 × 5 × 11



5*6*8 = 5*3*2*2*2*2 = 2^4 * 5 * 3

2^4 is the key here. Check it out.

All the option contains 2 , 3 , 5 .............but power of 2 varies.

Option B .
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Re: Which of the following is NOT divisible by the product of 5, 6, and 8  [#permalink]

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New post 26 Nov 2018, 11:58
5,6,8 has -> one 5
one 3 and four 2

so the no divisible by multiple of 5,6,8 must have min of the above requirements.
B has one 2 less
Answer- B
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Re: Which of the following is NOT divisible by the product of 5, 6, and 8   [#permalink] 26 Nov 2018, 11:58
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Which of the following is NOT divisible by the product of 5, 6, and 8

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