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1. |
Two boats go downstream from point X to Y. The faster boat covers the distance from X to Y, 1.5 times as fast as slower boat. It is known that for every hour slower boat lags behinds the faster boat by 8 km. however, if they go upstream, then the faster boat covers the distance from Y to X in half the time as the slower boat. Find the speed of the faster boat in still water? |
A. | 12 kmph |
B. | 20 kmph |
C. | 24 kmph |
D. | 25 kmph |
E. | None of these |
Answer» C. 24 kmph | |