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Numerical Ability
Boats and Streams
A boat can row 18 kmph in still water.It takes twice as long to row up as to row down the river.Find the rate of stream.
a)6 km/hr b)7 km/hr c) 8km/hr d)5 km/hr
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- still water-18kmph
It takes twice as long to row up as to row down the river.
then let upstream=2x and downstream=x
now buy the formulae
18=0.5(x+2X)----->x=12
so stream=0.5*(24-12)=6kmph...option (a)
- 11 years agoHelpfull: Yes(1) No(0)
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