Question

If the speed of motorboat in river is 25 km/hr and the speed of stream is 3 km/hr, then find the speed of motorboat in upstream.​

Answer 1

Answer:

According to the question,

25+v

60

+

25−v

60

=5

12(25−v)+12(25+v)=625−v

2

600=625−v

2

v=5km/hr

Hence, this is the required answer.