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plzz.....expalin the following question...

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by shourav rahman » Tue Sep 13, 2011 2:25 pm
According to a survey, at least 70% of people like apples, at least 75% like bananas and at least 80% like cherries. What is the minimum percentage of people who like all three?

(A) 15%
(B) 20%
(C) 25%
(D) 0
(E) 35%
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by Anurag@Gurome » Tue Sep 13, 2011 6:57 pm
Solution:
Minimum % of people liking apples and bananas both are 70+75-100 = 45%.
So, minimum % of people liking apples, bananas, and cherries are 45+80-100 = 25%.
The correct answer is (C).
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by schreze » Wed Sep 14, 2011 4:03 am
100 - 80 = 20% do not like cherries
100 - 75 = 25% do not like bananas
100 - 70 = 30% do not like applies

20 + 25 + 30 = 75% do not like one (or more) of the mentioned.

1 - 75% = 25% like all three. Answer is C

(however - the solution above by the expert is easier/faster, no doubt...)
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