NIACL Model Paper 1 with solutions for free online practice

Question : 29 of 100

Marks: +1, -0

A boat covers a distance of 24 km in 10 h downstream. To cover the same distance upstream, the boat takes 2h longer. What is the speed of the boat in still water?

2 km/h
2.8 km/h
2.6 km/h
3.2 km/h
None of these

Validate

Solution:

(e) Upstream speed =

24/12=2

km/h
Downstream speed =

24/10=2.4

km/h
∴ Speed of the boat in still water

={2+2.4}/2=2.2

km/h

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