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George went to a fruit market with certain amount of money. With this

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George went to a fruit market with certain amount of money. With this  [#permalink]

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New post 15 Jun 2011, 11:04
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George went to a fruit market with certain amount of money. With this money he can buy either 50 oranges or 40 mangoes. He retains 10% of the money for taxi fare and buys 20 mangoes. How many oranges can he buy?

A. 25

B. 30

C. 20

D. 16

E. 12

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Re: George went to a fruit market with certain amount of money. With this  [#permalink]

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New post 15 Jun 2011, 11:41
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soaringAlone wrote:
George went to a fruit market with certain amount of money. With this money he can buy either 50 oranges or 40 mangoes. He retains 10% of the money for taxi fare and buys 20 mangoes. How many oranges can he buy?

A. 25

B. 30

C. 20

D. 16

E. 12


Suppose he goes with $100.
$100-> 40 Mangoes
OR
$100-> 50 Oranges

$50->20 Mangoes
$10->Taxi fare
$40-> (50/100)*40=20 Oranges.

Ans: "C"
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Re: George went to a fruit market with certain amount of money. With this  [#permalink]

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New post 18 Jun 2011, 18:31
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Consider he has x dollars .
He saves 10 % for taxi fare .So he is left with 0.9x dollars.
If we go by logic cost of 1 mango and 1 orange will remain constant.
So, cost of 1 mango =x/40.He took 20 mangoes costing 20* x/40 =x/2=0.5x
Hes left with 0.9x-0.5x=0.4x dollars.

The question is how many oranges can he buy with 0.4x dollars .If he can buy 1 orange for x/50 dollars ,he can surely buy 50/x*0.4x =20 oranges with 0.4x dollars he has.

Hope that makes sense to you .
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Re: George went to a fruit market with certain amount of money. With this  [#permalink]

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New post 20 Apr 2016, 07:17
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soaringAlone wrote:
George went to a fruit market with certain amount of money. With this money he can buy either 50 oranges or 40 mangoes. He retains 10% of the money for taxi fare and buys 20 mangoes. How many oranges can he buy?

A. 25

B. 30

C. 20

D. 16

E. 12


Let the amount of money be 200

Let cost of 1 Orange be 4
Let cost of 1 mango be 5

He decides to retain 10% of 200 = 20 for taxi fare, so he is left with 180

He buys 20 mangoes ( @ 5) so he spends 100

Money left is 80 (180 - 100)

No of oranges he can buy = 80/4 =>20

So, George can buy 20 Oranges.
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George went to a fruit market with certain amount of money. With this  [#permalink]

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New post 20 Apr 2016, 07:24
originally, he can buy 40 mangoes
after 10% taxi fare he can buy (90%)(40)=36 mangoes
because he buys only 20 mangoes, he has enough money left to buy 16 mangoes
because the ratio of oranges to mangoes he can buy is 5/4, he can now buy (5/4)(16)=20 oranges
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Re: George went to a fruit market with certain amount of money. With this  [#permalink]

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New post 28 Jan 2017, 22:16
40 Mangoes = 50 Oranges

This means 50 Oranges =. 40 Mangoes ( 1.25)

40 Mangoes ( 1.25)/ x = 20

X = 0.5

40 Mangoes ( 1.25)/ 0.5 = 50

Oranges / 0.5 = 20

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Re: George went to a fruit market with certain amount of money. With this  [#permalink]

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