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The price of each mango is 65 taka and the price of each gua

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Mugdho
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The price of each mango is 65 taka and the price of each gua [#permalink] New post   Updated on: 14 Feb 2021, 02:17
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The price of each mango is 65 taka and the price of each guava is 45 taka. Aslam buys total 10 mangoes and guavas at an average price of 56 taka. How many mangoes must Aslam put back and replace with guavas so that the average price of the pieces of fruit that he keeps is 52 taka?

a)2
b)3
c)1
d)4
e)5

Can you solve it by "Alligation Method" ?

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A

Originally posted by Mugdho on 14 Feb 2021, 01:39.
Last edited by Mugdho on 14 Feb 2021, 02:17, edited 1 time in total.
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Re: The price of each mango is 65 taka and the price of each gua [#permalink] New post   14 Feb 2021, 01:50
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Please set the timer properly

Here is how https://gre.myprepclub.com/forum/how-to-po ... 12752.html
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Carcass
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The price of each mango is 65 taka and the price of each gua [#permalink] New post   14 Feb 2021, 01:54
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Online there are different versions of this question

I was wondering why the students have on forum 10,000 questions from good sources and they still go online in some obscure angle to pick up a question that does not have neither the answers in increasing or decreasing order, Messed up. Just from that is not a good question
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eldorado21
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Re: The price of each mango is 65 taka and the price of each gua [#permalink] New post   14 Feb 2021, 13:37
Not sure what "Alligation method" is ??

However
Let # of mango = m
let # of guava = n
65m + 45n = 560
m + n = 10

Solving for m and n gives fractional values, so is the question correct?
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Mugdho
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The price of each mango is 65 taka and the price of each gua [#permalink] New post   14 Feb 2021, 23:10
eldorado21 wrote:
Not sure what "Alligation method" is ??

However
Let # of mango = m
let # of guava = n
65m + 45n = 560
m + n = 10

Solving for m and n gives fractional values, so is the question correct?


eldorado21
Question is correct and valid.

Posted from my mobile device
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eldorado21
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Re: The price of each mango is 65 taka and the price of each gua [#permalink] New post   15 Feb 2021, 08:04
Mugdho
Are the equations correct in my previous post? Solving them gives fractional values of fruits which doesn't make sense.
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KarunMendiratta
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Re: The price of each mango is 65 taka and the price of each gua [#permalink] New post   15 Feb 2021, 09:33
The Values aren't correct, but you can expect to see such questions/concepts on your GRE with obviously correct values.
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GreenlightTestPrep
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The price of each mango is 65 taka and the price of each gua [#permalink] New post   15 Feb 2021, 11:14
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It's a bad question.

We have:
65M + 45G = 560
M + G = 10

Solve to get: M = 5.5 and G = 4.5
Yuck!
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eldorado21
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Re: The price of each mango is 65 taka and the price of each gua [#permalink] New post   15 Feb 2021, 11:20
If the originator wants to post the original question that will be great for the community
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GreenlightTestPrep
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Re: The price of each mango is 65 taka and the price of each gua [#permalink] New post   15 Feb 2021, 12:01
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I believe this is the original question (taken from the official GMAT book): https://gmatclub.com/forum/at-a-certain ... l#p1589780
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KarunMendiratta
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The price of each mango is 65 taka and the price of each gua [#permalink] New post   15 Feb 2021, 12:14
Guys, this question is from an Indian Bank PO exam. Don't bother too much.
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Re: The price of each mango is 65 taka and the price of each gua [#permalink] New post   15 Feb 2021, 12:25
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15 Feb 2021, 12:25
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