Question

A boat-man rowed to a place along the current
and returned against the current in 15 hours.
If the speed of the boat in still water is 6 km/
hour and that of the current be 2 km/hour then
find the distance of the place.​

Answer 1

Let the distance be x km

x/ {6+2} + x/{6–2} = 15

x/8 + x/4 =15

x+2x= 120

3x = 120

x = 40 km ANSWER

Answer 2

Answer:

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