The speed at which a man can row a boat in still water is 24 kmph. If he rows downstream, where the speed of current is 8 kmph, what time will he take to cover 40 metres? Pick one.
A) 4.49 seconds
B) 8.89 seconds
C) 26 seconds
D) 12 seconds
E) 16 seconds
Speed of the boat downstream = 24+ 8= 
<gadget id="calculator">24+ 8</gadget>
<output>32</output>
32 kmph= 32 * 5/18 = 8.89 m/s   Hence time taken to cover 40 m = 40/8.89   = 4.49 seconds.   4.49 secondsnswer:4.49 seconds
<result>A</result>
The speed at which a man can row a boat in still water is 24 kmph. If he rows downstream, where the speed of current is 8 kmph, what time will he take to cover 40 metres?