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?  Options
A) 22	B) 98	C) 10	D) 77	E) 28
Explanation:   A : B = 60 : 45.   A : C = 60 : 40.   \inline \fn_jvn {\color{Black}\therefore \frac{B}{C}=\left ( \frac{B}{A} \times \frac{A}{C}\right )=\left ( \frac{45}{60}\times \frac{60}{40} \right )=\frac{45}{40}=\frac{90}{80}=90:80}   B can give C 10 points in a game of 90.   Answer: 10) 10 points
<result>C</result>
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?