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If 6 is 24% of a number, what is 40% of the same number?

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If 6 is 24% of a number, what is 40% of the same number?  [#permalink]

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New post 08 Aug 2019, 02:13
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A
B
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E

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  15% (low)

Question Stats:

89% (00:40) correct 11% (00:49) wrong based on 26 sessions

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If 6 is 24% of a number, what is 40% of the same number?  [#permalink]

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New post 08 Aug 2019, 05:23
Bunuel wrote:
If 6 is 24% of a number, what is 40% of the same number?

A. 8
B. 10
C. 15
D. 20
E. 25


If 6 is 24% of a number, what is 40% of the same number?

Let the number be x
24%x=6
40%x=(6/24%)*40% = 6*40/24 = 10

IMO B
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Re: If 6 is 24% of a number, what is 40% of the same number?  [#permalink]

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New post 08 Aug 2019, 07:28
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Bunuel wrote:
If 6 is 24% of a number, what is 40% of the same number?

A. 8
B. 10
C. 15
D. 20
E. 25


Here's a number sense solution...

GIVEN: 24% of a number = 6
This means 48% of the number = 12

Of course, we don't want 48% of the number; we want 40% of the number.
Since 40% is a bit less than 48%, our answer will be a little bit less than 12

Answer: B

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Re: If 6 is 24% of a number, what is 40% of the same number?  [#permalink]

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New post 08 Aug 2019, 10:42
Bunuel wrote:
If 6 is 24% of a number, what is 40% of the same number?

A. 8
B. 10
C. 15
D. 20
E. 25



given
6=24*x/100
x=25
so
25*40/100 = 10
IMO B
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Re: If 6 is 24% of a number, what is 40% of the same number?  [#permalink]

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New post 08 Aug 2019, 13:57
Using ratio and proportion,
If 24:6
40:x
x=40*6/24 = 10
Hence answer is B.

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Re: If 6 is 24% of a number, what is 40% of the same number?   [#permalink] 08 Aug 2019, 13:57
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