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# If 60 people attend a party, how many of these people drink coffee?

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Math Expert
Joined: 02 Sep 2009
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If 60 people attend a party, how many of these people drink coffee?  [#permalink]

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12 Oct 2016, 01:55
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Difficulty:

15% (low)

Question Stats:

78% (01:00) correct 22% (01:25) wrong based on 117 sessions

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If 60 people attend a party, how many of these people drink coffee?

(1) The number of people at the party who drink coffee is 4 times the number of those who do not drink coffee.

(2) The number of people who don't drink coffee is 36 less than the number who do drink coffee.

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Re: If 60 people attend a party, how many of these people drink coffee?  [#permalink]

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12 Oct 2016, 01:59
Bunuel wrote:
If 60 people attend a party, how many of these people drink coffee?

(1) The number of people at the party who drink coffee is 4 times the number of those who do not drink coffee.

(2) The number of people who don't drink coffee is 36 less than the number who do drink coffee.

Lets assume, people who drink coffee: K & the one's who don't: L

(1) 4L + L = 60. L = 12. 48 people drink coffee, 12 don't: Sufficient
(2) (K-36)+K = 60. K = 48. 48 people drink coffee, 12 don't: Sufficient

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If 60 people attend a party, how many of these people drink coffee?  [#permalink]

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14 Aug 2018, 21:41
Bunuel wrote:
If 60 people attend a party, how many of these people drink coffee?

(1) The number of people at the party who drink coffee is 4 times the number of those who do not drink coffee.

(2) The number of people who don't drink coffee is 36 less than the number who do drink coffee.

Bunuel But Sir it is not mentioned that all the people are either drinking coffee or not drinking anything??? ...So how ans is D instead of E
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Re: If 60 people attend a party, how many of these people drink coffee?  [#permalink]

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14 Aug 2018, 23:32
Bunuel wrote:
If 60 people attend a party, how many of these people drink coffee?

(1) The number of people at the party who drink coffee is 4 times the number of those who do not drink coffee.

(2) The number of people who don't drink coffee is 36 less than the number who do drink coffee.

Bunuel But Sir it is not mentioned that all the people are either drinking coffee or not drinking anything??? ...So how ans is D instead of E

Are there any other category besides those who drink coffee and those who don't?
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Re: If 60 people attend a party, how many of these people drink coffee?   [#permalink] 14 Aug 2018, 23:32
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