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In an apartment 92% of the people have a car and 14% have a bike and e

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In an apartment 92% of the people have a car and 14% have a bike and e [#permalink] New post   11 Jul 2024, 22:39
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Question Stats:

81% (02:05) correct 18% (01:47) wrong based on 11 sessions

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In an apartment 92% of the people have a car and 14% have a bike and everyone in the apartment has at least a bike or a car.


Quantity A
Quantity B
Fraction of the total people that have both a bike and a car
1/10



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B
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Mridu2024
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Re: In an apartment 92% of the people have a car and 14% have a bike and e [#permalink] New post   12 Jul 2024, 06:27
Need an explanation
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In an apartment 92% of the people have a car and 14% have a bike and e [#permalink] New post   12 Jul 2024, 08:15
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This is a simple and straight overlapping set

The formula is

x+y-both+neither= total

C+B-Both+0=100

Substitute

92+14-B+0=100

B is 6

Therefore QA is 6/100 and B is 1/10

See more on overlapping stes https://gre.myprepclub.com/forum/gre-qu ... tml#p54136

B is > A
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Re: In an apartment 92% of the people have a car and 14% have a bike and e [#permalink] New post   12 Jul 2024, 23:22
1
Or it can be Solved by a simple Pie chart.

Add 92+14=106 Total must always be 100 but we have an intersection of Two circles here. Question states that all of them have at least have a bike or a car means some of them have both (is inferred). Here the intersection portion can only be 6 in order to be 100%. We can immediately solve this problem easily this way 6/100 and 1/10.
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Re: In an apartment 92% of the people have a car and 14% have a bike and e [#permalink]
12 Jul 2024, 23:22
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