In a game of 90 points, A can give B 15 points and C 30 points. How many points can B give C in a game of 100 points?

Q: In a game of 90 points, A can give B 15 points and C 30 points. How many points can B give C in a game of 100 points?

A : B : C = 90 : 75 : 60 B:C = 75 / 60 = ( 75 x 100⁄75 ) / ( 60 x 100⁄75) = 100 / 80 Hence, in a game of 100 points, B can give C(100 - 80) = 20 points.

140
20
50
30

Correct Answer: 20

Explanation:

A : B : C = 90 : 75 : 60
B:C = 75 / 60 = ( 75 x ¹⁰⁰⁄₇₅ ) / ( 60 x ¹⁰⁰⁄₇₅) = 100 / 80
Hence, in a game of 100 points, B can give C(100 - 80)
= 20 points.

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