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Arithmetic

Aman takes 3 hour and 45 minutes to row a boat 15km in the direction of flow of river. And he takes 2 hour and 30 minutes to travel a distance of 5km in the direction opposite to flow of river in same boat. Find the speed of flow of river.
1. 1km/hr
2. 2km/hr
3. 3km/hr
4. 4km/hr

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8 comments

  1. Gaurav raj

    (x+y)15/4=15
    (x-y)5/2=5 so from equation

    x=3 ,y=1 where x is speed of boat and y is speed of flow of river

    so option 1 will be the answer

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