What is the ratio between the number of students studying...
The following pie-charts show the distribution of students of graduate and post-graduate levels in seven different institutes in a town.
Distribution of students at graduate and post-graduate levels in seven institutes:
What is the ratio between the number of students studying at post-graduate level from institutes S and the number of students studying at graduate level from institute Q?
13 : 19
21 : 13
13 : 8
19 : 13
Correct answer is D
Required ratio = (21% of 24700)/(13% of 27300) = (21 x 24700)/(13 x 27300) = 19/13
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