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Pie Charts - General Aptitude

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:

Q1:

What is the ratio between the number of students studying at post-graduate and graduate levels respectively from institute S?

A 14 : 19

B 19 : 21

C 17 : 21

D 19 : 14

ANS:D - 19 : 14

Required ratio = (21% of 24700) = (21 x 24700) = 19 .
(14% of 27300) 14 x 27300 14