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tomatoes increased

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by sanju09 » Tue Mar 03, 2009 5:00 am
By what percentage did the price of a pound of tomatoes increase?

(1) Before the increase, the price of a pound of tomatoes was 50 cents.

(2) The price of tomatoes increased by 20 cents per pound.
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Re: tomatoes increased

by piyush_nitt » Tue Mar 03, 2009 5:13 am
sanju09 wrote:By what percentage did the price of a pound of tomatoes increase?

(1) Before the increase, the price of a pound of tomatoes was 50 cents.

(2) The price of tomatoes increased by 20 cents per pound.
IMO B

A doesnot give any info of current price

B basically tells the percentage increase i.e 20%
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Re: tomatoes increased

by sanju09 » Tue Mar 03, 2009 5:14 am
piyush_nitt wrote:
sanju09 wrote:By what percentage did the price of a pound of tomatoes increase?

(1) Before the increase, the price of a pound of tomatoes was 50 cents.

(2) The price of tomatoes increased by 20 cents per pound.
IMO B

A doesnot give any info of current price

B basically tells the percentage increase i.e 20%
[spoiler]:roll: [/spoiler]
The mind is everything. What you think you become. –Lord Buddha



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Re: tomatoes increased

by piyush_nitt » Tue Mar 03, 2009 5:34 am
sanju09 wrote:
piyush_nitt wrote:
sanju09 wrote:By what percentage did the price of a pound of tomatoes increase?

(1) Before the increase, the price of a pound of tomatoes was 50 cents.

(2) The price of tomatoes increased by 20 cents per pound.
IMO B

A doesnot give any info of current price

B basically tells the percentage increase i.e 20%
[spoiler]:roll: [/spoiler]

My Mistake !!

Mis read the Q.

should be C.

1 & 2 together are SUFF
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by lilu » Tue Mar 03, 2009 11:29 am
In order to calculate % of increase / decrease, we need to know the original amount (price in this case) and by how much that amount has changed:
Increase/decrease= (changed amount-original amount)/ original amount

Statement 1 tells us the original price
Statement 2 tells us the amount by which the price changed: from 50 cents to 70 cents

So, to calculate increase: (70-50)/50=0.4; 0.4*100%=40%

So, choose C
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