A cyclist covers a certain distance in 50 minutes at a speed of 24 kmph. To cover the same distance in 40 minutes, he should travel at a speed of ?

A.  25 kmph
B.  20 kmph
C. 27 kmph
D. 30 kmph

Distance = 24*50/60 = 20 km New Speed = 20/(40/60)) = 30 kmph

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