1) 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 Answer: Option DExplanation:Required ratio = ( (21% of 24700) / (13% of 27300) ) = ( ( 21 X 24700 ) / ( 13 X 27300 ) )= 19/13