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What is the ratio between the number of students studying at post graduate level from institute S and the number of students studying at graduate level from institute Q?

A.	13:19	B.	21:13
C.	13 : 8	D.	19:13
E.	None of these

Answer and Explanation

Answer:19:13

Explanation:
Required ratio
Number of students of post graduate level from
Institute S / number of students of graduate level from institute Q
(21% of 24700) / (13% of 27300)
21 x 247 / 13 x 273
19/13 = 19:13

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