1.  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

Answer: Option D

Explanation:

Required ratio =


(21% of 24700)=(21 x 24700)=19.
(14% of 27300)14 x 2730014