died were male rats
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- sanju09
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Forty percent of the rats included in an experiment were male rats. If some of the rats died during the experiment and 30 percent of the rats that died were male rats, what was the ratio of the death rate among the male rats to the death rate among the female rats?
The mind is everything. What you think you become. -Lord Buddha
Sanjeev K Saxena
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Sanjeev K Saxena
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Let total number of rat 100x and 100y rats dies in the experiment
hence
Total Died Death-rate
male 40x 30y 3y/4x
Female 60x 70y 7y/6x
So death rate of male rat : death rate of female rat=3y/4x :7y/6x =9:14
Ans 9:14
hence
Total Died Death-rate
male 40x 30y 3y/4x
Female 60x 70y 7y/6x
So death rate of male rat : death rate of female rat=3y/4x :7y/6x =9:14
Ans 9:14
Last edited by liferocks on Fri May 07, 2010 4:48 pm, edited 1 time in total.
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- hephzi_bah
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- sanju09
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Hey, I liked the idea of writing response in hand scripts. Please tell all of us how to show it like you did it here, I hope it would bring revolution among the post writers who might be globally identified by their hand writings rather by a mere name.
The mind is everything. What you think you become. -Lord Buddha
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
Sanjeev K Saxena
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The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
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Yeah Sanju bhai.. i always wanted to write that way.. heard some sort of pen can be used to write on the screen..But wont that damage our screen???
But it looks fancy...
But it looks fancy...
- hephzi_bah
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Well dear GMATters:sanju09 wrote:
Hey, I liked the idea of writing response in hand scripts. Please tell all of us how to show it like you did it here, I hope it would bring revolution among the post writers who might be globally identified by their hand writings rather by a mere name.
First: use a tablet or something to write better than a simple mouse.
Second: When POST something use INSERT IMAGE ( the image there was recorded on the web address in it)
Third: Post it...
Sincerely
Alberto Vidal