Home » A boat moves downstream at the rate of 1 km in 7.5 minutes and upstream at the rate of 5 km an hour. Find the speed of boat in still water
A boat moves downstream at the rate of 1 km in 7.5 minutes and upstream at the rate of 5 km an hour. Find the speed of boat in still water
A boat moves downstream at the rate of 1 km in 7.5 minutes and upstream at the rate of 5 km an hour. Find the speed of boat in still water.
a) 8.5 km/h
b) 6.5 km/h
c) 7.00 km/h
d) 8.00 km/h
Sol:
Speed of boat in still water = xkm/h (say) and that of stream = y km/h
Then,
= 6.5 km/h
