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Set 32 - #7

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by KL08 » Thu Sep 20, 2007 7:09 pm
In a marketing survey for products A, B, and C, 1,000 people were asked which of the products, if any, they use. The three circular regions in the diagram above represent the numbers of people who use products A, B,
and C, according to the survey results. Of the people surveyed, a total of 400 use A, a total of 400 use B, and a total of 450 use C.
7. How many of the people surveyed use exactly one of the products?
(A) 75
(B) 100
(C) 150
(D) 250
(E) 325
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by niks_01.27 » Thu Sep 20, 2007 7:21 pm
KL08 you are missing the diagram!!!
regards
niks...
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by KL08 » Thu Sep 20, 2007 7:32 pm
sorry here's the diagram.[/img]
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Ans is E

by pratty » Thu Sep 20, 2007 8:10 pm
I think answer is E. 325

Only A = 400-(125+75+125) =75
Only B = 400-(125+75+100) =100
Only c = 450-(125+100+75) =150

Hence Ans is 325

-Pratty
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