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similarity question

Problem Solving — algebra and arithmetic (GMAT Focus Edition)
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similarity question

by marmar29 » Mon Feb 28, 2011 1:53 am
The Easypac Soup Company produces small cylindrical tins of radius 3cm, and similar large tins of radius 5cm. If a small tin contains 243ml of soup, how much does a large tin contain?

please show me the steps !
thanks, marmar
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by Tani » Tue Mar 01, 2011 2:08 pm
This question isn't answerable without knowing the height of the larger can. Are the heights in the same proportion as the radii, or do the cans have the same height, or are their heights unrelated?
Tani Wolff
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by marmar29 » Tue Mar 01, 2011 9:57 pm
Tani Wolff - Kaplan wrote:This question isn't answerable without knowing the height of the larger can. Are the heights in the same proportion as the radii, or do the cans have the same height, or are their heights unrelated?
hi Tani, but ths is the question as it s written inthe past exam paper!! but i think since it s not mentioned that they have the same ht
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by edvhou812 » Tue Mar 01, 2011 11:23 pm
marmar29 wrote:
Tani Wolff - Kaplan wrote:This question isn't answerable without knowing the height of the larger can. Are the heights in the same proportion as the radii, or do the cans have the same height, or are their heights unrelated?
hi Tani, but ths is the question as it s written inthe past exam paper!! but i think since it s not mentioned that they have the same ht
Exam paper? Lame.
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by makkiemaps » Tue Mar 01, 2011 11:30 pm
If heights of the tins are same the answer should be 675 ml.

9/25 = 243/x

x= 27 x 25 = 675 ml
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