Races and Games - General Aptitude

Q1:

At a game of billiards, A can give B 15 points in 60 and A can give C to 20 points in 60. How many points can B give C in a game of 90?

A 30 points

B 20 points

C 10 points

D 12 points

ANS:C - 10 points

A : B = 60 : 45. A : C = 60 : 40.

B = B x A = 45 x 60 = 45 = 90 = 90 : 80.
C A C 60 40 40 80
B can give C 10 points in a game of 90.