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For positive integers a and b, when a is divided by b the result is 14

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For positive integers a and b, when a is divided by b the result is 14  [#permalink]

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New post 09 Oct 2016, 03:07
2
14
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

76% (01:32) correct 24% (01:47) wrong based on 225 sessions

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Re: For positive integers a and b, when a is divided by b the result is 14  [#permalink]

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New post 09 Oct 2016, 04:37
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Bunuel wrote:
For positive integers a and b, when a is divided by b the result is 14.375. Which of the following could represent the value of b?

A. 28
B. 32
C. 36
D. 42
E. 50


The Q tells us that 14.375*b =a...
Or (14+0.375)*b=a.. and a and b are integers..
So b* 0.375 should be an integer...
Where ever you have decimal ending with 5, multiplication by 2 will help in reducing a decimal place..
So multiply by 2s till you get an integer...
0.375 multiplied by 2*2*2 gives us an integer 3..
So b has to be a multiple of 8..

Only B is a multiple of 8..
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For positive integers a and b, when a is divided by b the result is 14  [#permalink]

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New post Updated on: 01 Feb 2017, 10:21
4
Bunuel wrote:
For positive integers a and b, when a is divided by b the result is 14.375. Which of the following could represent the value of b?

A. 28
B. 32
C. 36
D. 42
E. 50



Hi... I am not super good with quant and tend to think in simple lines and hence fololwing was the approach adopted by me:
a/b = 14 +375/1000
or a/b = 14+ 3/8
so i was able to GUESS that b has do something with a multiple of 8, and of the options given 32 fulfills this thing...
Hence marked B

Originally posted by saurabhsavant on 01 Feb 2017, 10:10.
Last edited by saurabhsavant on 01 Feb 2017, 10:21, edited 1 time in total.
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Re: For positive integers a and b, when a is divided by b the result is 14  [#permalink]

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New post 02 Feb 2017, 08:14
saurabhsavant wrote:
Bunuel wrote:
For positive integers a and b, when a is divided by b the result is 14.375. Which of the following could represent the value of b?

A. 28
B. 32
C. 36
D. 42
E. 50



Hi... I am not super good with quant and tend to think in simple lines and hence fololwing was the approach adopted by me:
a/b = 14 +375/1000
or a/b = 14+ 3/8
so i was able to GUESS that b has do something with a multiple of 8, and of the options given 32 fulfills this thing...
Hence marked B


I am with you....

\(\frac{1}{8} = 0.125\)

Now, check the options, only (B) is a multiple of 8 , hence thats the correct answer...
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Re: For positive integers a and b, when a is divided by b the result is 14  [#permalink]

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New post 06 Mar 2018, 17:14
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Re: For positive integers a and b, when a is divided by b the result is 14   [#permalink] 06 Mar 2018, 17:14
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