Question

A boat travels with a speed of 15km/hr in still water. In a river flowing at 5km/hr, the boat travels some distance downstream and then returns. the ratio of average speed to the speed in still water is,

a)8:3
b)3:8
c)8:9
d)9:8​

Answer 1

Answer:

May be answer option (c)8:9

Answer 2

Answer:

Option A is correct

Step-by-step explanation:

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