10.
|
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?
|
|
|
30 points
|
|
20 points
|
|
|
10 points
|
|
12 points
|
|
Answer: Option C
Explanation:
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.
