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Boats and Stream Quiz : 21.02.2019

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Question 1

The speed of the current is 2 km /h. A boat goes 20 km upstream and back again to the starting point in 110 min. What is the speed of the boat in still water?

Question 2

A Boat rowed down the river at 18 Km/h and rowed up the river at 8 km/h. What is the velocity of stream?

Question 3

The current of a stream runs at the rate of 4 km an hour. A boat goes 6 km and comes back to the starting point in 2 hours. The speed of the boat in still water is ______.

Question 4

A motor-boat can travel at 10 km/hour in still water. It travelled 91 km downstream in a river and then returned to the same place, taking altogether 20 hours. Find the rate of flow of river.

Question 5

In a stream running at 2 km/h, a motorboat goes 10 km upstream and back again to the starting point in 55 min. Find the speed of the motorboat in still water

Question 6

A river 3 m deep and 40 m wide is flowing at the rate of 2 km/h. How much water (in litres) will fall into the sea in 1 minute?

Question 7

Speed of a boat is 10 km/h. Speed of boat in downstream is 2 times of speed of boat in upsteam. What is speed of current?

Question 8

Speeds of a boat along and against the current are 12 km/hr and 8 km/hr respectively. Then the speed of the current in km/hr?

Question 9

Speed of a boat along and against the current are 14 km/hr and 8 km/hr respectively. The speed of the current is

Question 10

A boat can go 8 km in still water in 1 hour but it takes 3 hours to travel the same distance upstream. Find the speed of the stream.
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