Set 32 - #7

KL08 · Posted: Thu Sep 20, 2007 7:09 pm Post subject: Set 32 - #7

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

niks_01.27 · Posted: Thu Sep 20, 2007 7:21 pm Post subject:

KL08 you are missing the diagram!!!

KL08 · Posted: Thu Sep 20, 2007 7:32 pm Post subject:

sorry here's the diagram.[/img]

pratty · Posted: Thu Sep 20, 2007 8:10 pm Post subject: Ans is E

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