Discussion :: Races and Games
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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?
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Answer : Option C
Explanation :
A : B = 60 : 45.
A : C = 60 : 40.
\(\frac { B } { C } \)= [\(\frac { B } { A } \) x \(\frac { A } {C } \)] = [\( \frac { 45} { 60 }\)X \( \frac { 60} {40}\)] = \( \frac { 45} { 40 }\) = \( \frac { 90} { 80 }\)= 90:80
B can give C 10 points in a game of 90.
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