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A baker filled with a measuring cup with 3/4 cup water. He poured 1/2.

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Intern
Joined: 12 Sep 2013
Posts: 12
A baker filled with a measuring cup with 3/4 cup water. He poured 1/2.  [#permalink]

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10 Jun 2016, 23:25
1
4
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Difficulty:

65% (hard)

Question Stats:

61% (02:39) correct 39% (03:22) wrong based on 121 sessions

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A baker filled with a measuring cup with 3/4 cup water. He poured 1/2 of the water into the batter, and then spilled 1/8 of the water on the floor. How much water will the baker needed to add what is left in the cup to have 50% more than what he started with?

(a) 1/8 cup
(b) 3/8 cup
(c) 1/4 cup
(d) 1/2 cup
(e) 7/8 cup
Senior Manager
Joined: 02 Mar 2012
Posts: 317
Schools: Schulich '16
Re: A baker filled with a measuring cup with 3/4 cup water. He poured 1/2.  [#permalink]

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11 Jun 2016, 01:37
1
E

3/4 is the original water in cup .half in batter.So left is 3/8 out which 1/8 is spilled out.So again left with 2/8.

so 50% more than what he started was = 3/4+1/2*(3/4)=9/8

Amount of water needed to add = 9/8 - 2/8=7/8
Math Expert
Joined: 02 Aug 2009
Posts: 6956
Re: A baker filled with a measuring cup with 3/4 cup water. He poured 1/2.  [#permalink]

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11 Jun 2016, 05:05
3
asciijai wrote:
A baker filled with a measuring cup with 3/4 cup water. He poured 1/2 of the water into the batter, and then spilled 1/8 of the water on the floor. How much water will the baker needed to add what is left in the cup to have 50% more than what he started with?

(a) 1/8 cup
(b) 3/8 cup
(c) 1/4 cup
(d) 1/2 cup
(e) 7/8 cup

Hi,

firstly the wording is wrong ..

More importantly you cannot have answer for this Q...
50% more than 3/4 is $$\frac{3}{4}+ \frac{1}{2} * \frac{3}{4} = \frac{3}{2} * \frac{3}{4} = \frac{9}{8}$$..
Is it possible to fill up the MUG to 9/8 th of its capacity ..... NO
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3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html

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Intern
Joined: 31 Jan 2017
Posts: 4
Re: A baker filled with a measuring cup with 3/4 cup water. He poured 1/2.  [#permalink]

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20 Apr 2017, 03:58

I simply did it like this:

3/8 + 1/2 = 14/16 + 7/8

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Re: A baker filled with a measuring cup with 3/4 cup water. He poured 1/2.  [#permalink]

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26 Apr 2017, 10:45
then spilled 1/8 of the water on the floor
meaning is not clear here.
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Joined: 09 Sep 2013
Posts: 8419
Re: A baker filled with a measuring cup with 3/4 cup water. He poured 1/2.  [#permalink]

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23 Sep 2018, 12:13
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Re: A baker filled with a measuring cup with 3/4 cup water. He poured 1/2. &nbs [#permalink] 23 Sep 2018, 12:13
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