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Jack made a withdrawal from his savings account to fund a medical

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Jack made a withdrawal from his savings account to fund a medical  [#permalink]

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New post 09 Feb 2019, 03:05
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A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

79% (01:33) correct 21% (01:21) wrong based on 34 sessions

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Jack made a withdrawal from his savings account to fund a medical emergency. What was the percent decrease in his savings fund, if his savings fund post withdrawal will need to be increased by 25 percent to be restored to its initial amount?

A 10%

B 20%

C 25%

D 40%

E 50%

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Re: Jack made a withdrawal from his savings account to fund a medical  [#permalink]

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New post 09 Feb 2019, 04:25
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gmat1393 wrote:
Jack made a withdrawal from his savings account to fund a medical emergency. What was the percent decrease in his savings fund, if his savings fund post withdrawal will need to be increased by 25 percent to be restored to its initial amount?

A 10%

B 20%

C 25%

D 40%

E 50%



Let the amount after withdrawal be a, before withdrawal it was 125% of a or 1.25a
The decrease is 1.25a-a or 0.25a from 1.25a.
Therefore decrease % =100* 0.25a/1.25a=100/5=20%

B
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Re: Jack made a withdrawal from his savings account to fund a medical  [#permalink]

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New post 10 Feb 2019, 05:09
gmat1393 wrote:
Jack made a withdrawal from his savings account to fund a medical emergency. What was the percent decrease in his savings fund, if his savings fund post withdrawal will need to be increased by 25 percent to be restored to its initial amount?

A 10%

B 20%

C 25%

D 40%

E 50%


let amount be 100
so
25% increase = 125
and amount which was withdrawn was 100-x
so
125*(100-x)= 100
x=496
% = 100/496 = 20%
IMO B
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Re: Jack made a withdrawal from his savings account to fund a medical   [#permalink] 10 Feb 2019, 05:09
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