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


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