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| 1. |
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? |
| Answer» 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. | |