Speed of the stream is 20% of the boat, if it covers 120 km upstream in 90 minutes then speed of the boat in downstream is:
1
120 km/h
2
100 km/h
3
80 km/h
4
None of these
Speed of the stream is 20% of the boat, if it covers 120 km upstream in 90 minutes then speed of the boat in downstream is: