Boats and Streams

Boats and Streams Worksheet-1

1. In one hour, a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in still water (in km/hr) is :

(a) 3                    (b) 5                    (c) 8                    (d) 9

2. A man can row upstream at 8 kmph and downstream at 13 kmph. The speed of the stream is:

(a) 2.5 km/hr                                (b) 4.2 km/hr

(c) 4.2 km/hr                                (d) 10.5 km/hr

Boats and Streams Worksheet-2

1. If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph, then the man's rate along the current is:

(a)  4.25 kmph                              (b) 6 kmph

(c)  6.5 kmph                                 (d) 8.5 kmph

2. A boat can travel with a speed of 13 km / hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.

(a) 2 hours        (b)  3 hours       (c) 4 hours         (d) 5 hours