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Jack made a withdrawal from his savings account to fund a medical 09 Feb 2019, 03:05
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80% (01:31) correct 20% (01:42) wrong based on 390 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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B
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Jack made a withdrawal from his savings account to fund a medical 09 Feb 2019, 04:25
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gmat1393
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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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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Jack made a withdrawal from his savings account to fund a medical Updated on: 13 Feb 2020, 09:25
Originally posted by Archit3110 on 10 Feb 2019, 05:09.
Last edited by Archit3110 on 13 Feb 2020, 09:25, edited 1 time in total.
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gmat1393
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%
Show more

let amount be 100
so
25% increase = 125
and amount which was withdrawn was 100-x
so
1.25*(100-x)= 100
x=20
% = 20/100 = 20%
IMO B
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Jack made a withdrawal from his savings account to fund a medical 13 Feb 2020, 04:07
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Archit3110
gmat1393
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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Could you please explain how you did this?
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Jack made a withdrawal from his savings account to fund a medical 13 Feb 2020, 09:27
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rheam25
I solved it word by word which was given
lets assume that the initial amount was 100$
and Jack withdrew x $
now question says 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
25% increase of $( 100-x) or say 1.25*(100-x) which would be same as intial amount i.e $100
solve for x = 20$ i.e the amount being withdrawn
% decrease ; 20/100 ; 20%
option B



rheam25
Archit3110
gmat1393
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

Could you please explain how you did this?
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Jack made a withdrawal from his savings account to fund a medical 08 Mar 2024, 19:23
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We can also use estimation to solve this very quickly based on the principle that if a quantity decreases by x percent, it has to increase by a greater percent greater than x to reach the initial quantity.

Hence we can eliminated C,D, and E.

So A and B are contenders.

If something decreases 10%, you certainly wouldn't need increase it by 25% to get it back to the initial quantity. So we can eliminate A.

Hence, answer is B.
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Jack made a withdrawal from his savings account to fund a medical 25 Oct 2025, 23:02
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