WIPRO-NQT EXAM 2021|Quantitative Ability

 Boats and Streams Questions

1.           Kiran can row downstream at 11 km/hr and upstream at 7 km/hr. Find the speed of Ravi in still water and speed of current?

1)   9 km/hr and 1 km/hr   

2) 8 km/hr and 3 km/hr

3) 7 km/hr and 2 km/hr                                                      

4) 9  km/hr and 2  km/hr

        5) 6 km/hr and 1 km/hr

2.           Shyam can row 60 km downstream and 36 km upstream, taking 10h each time. What is the velocity of the current?

1)   2.2 km/hr        

2) 1.2 km/hr             

3) 3 km/hr

4) 3.2 km/hr                                      

5) 1.3 km/hr

3.           If the speed of a swimmer in still water is 13 km/hr. Find the downstream speed of the swimmer, when the river is flowing with the speed of 4 km/hr.

1)   17 km/hr         

2) 9 km/hr              

3) 20 km/hr

4) 7 km/hr                                         

5) 19 km/hr

4.           What time will be taken by a boat to cover a distance of 192 km along the stream. If speed of  boat in still water is 24 km/hr and speed of stream is 8 km/hr ?

1)   4h        

2) 6h   

3) 8h    

4) 7h    

5) 3h

5.        Sahel  can row against the current three - fourth of a kilometer in 15 min and returns same distance in 10 min, then ratio of his speed to that of current is

1)   1:5       

2) 4:1  

3) 5:1   

4) 1:4   

5) 2:5

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