gmat prep

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gmat prep

by nadontheway » Fri Aug 01, 2008 8:53 am
plz explain and elaborate.
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by rhymes_with_luck » Sat Aug 02, 2008 4:28 am
IMO it is C.

What is OA?

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by sudhir3127 » Sat Aug 02, 2008 6:49 am
IMO C.

taking A and B together.. the number of customers = 14200

1.5 errors together per hundred = 14200/100*1.5 = 213

A has 86 errors hence B has 213- 86 = 127..

Hope it helps...

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by nadontheway » Tue Aug 05, 2008 5:07 am
I see. I chose the answer before doing the calc. OA C. Thx Sudhir3127.