SET 25 M 32

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SET 25 M 32

by neeraj_99 » Mon Oct 29, 2007 11:21 pm
Q32.
Last year in a group of 30 businesses, 21 reported a net profit and
15 had investments in foreign markets. How many of the businesses
did not report a net profit nor invest in foreign markets last year?
(1) last year 12 of the 30 businesses
reported a net profit and had investments
in foreign markets.
(2) last year 24 of the 30 businesses
reported a net profit or invested in
foreign markets, or both.

Sorry for posting too many questions...but i'm really confused...seems the SET OA s are not always correct...pl. help by giving ur ans...pl. explain, too...thanx...
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by camitava » Tue Oct 30, 2007 12:53 am
N = 21
F = 15
N u F = N + F - N n F
= 21 + 15 - 12
= 24
So ~ (N u F) = 30 -24 = 6
This is by Option - 1.
By option - 2, we directly get that ~ (N u F) = 30 - 24 = 6.

So we are directly getting the answer from both the options independently. IMO D.
Correct me If I am wrong


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Amitava

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by neeraj_99 » Tue Oct 30, 2007 3:06 am
IMO u r right. but OA is not D. some more discussion pl.
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by neeraj_99 » Tue Oct 30, 2007 3:54 am
IMO u r right. but OA is not D. some more discussion pl.
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by lawalx » Sat Nov 10, 2007 5:51 pm
i think A is the answer