Question
On a certain sight-seeing tour, the ratio of the number of Indians to the number of Chinese was 5 to 2. What was the number of Americans on the sight-seeing tour?
(1) On the sight-seeing tour, the ratio of the number of Chinese to the number of Americans was 5 to 11.
(2) The number of Indians on the sight-seeing tour was less than 30
Answer: Option C
:
C
Given Indians: Chinese = 5:2
(1) Chinese: Americans = 5:11, it is insufficient
(2) Indians<30; This alone is insufficient
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:
C
Given Indians: Chinese = 5:2
(1) Chinese: Americans = 5:11, it is insufficient
(2) Indians<30; This alone is insufficient
Together, I:C:A = 25:10:22 (all have to be integers!) thus I=25 and A=22.
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