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Master | Next Rank: 500 Posts
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by Vignesh.4384 » Mon Sep 29, 2008 12:20 am
Hi,

Please could you tel me the answer .
I have theOA but i think it is wrong.
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by manulath » Mon Sep 29, 2008 12:33 am
Let Red cars be R, Black cars be B

R:B = 3:8

or R/B = 3/8

R = B*3/8

we know B= 72

so R = 72*3/8 = 27

.......................................
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by amitansu » Mon Sep 29, 2008 12:33 am
The ans should be 27.

ratio=3/8
black=72 i.e. 8*9 => 3*9=27 since antecedent and consequent both need to be multiplied with same no. to equate.


Amit
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by Vignesh.4384 » Mon Sep 29, 2008 12:35 am
thank you .
Even i got 27 . But the OA said 24 . I knew i was correct but just wanted 2 clarify
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