The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 60 metres?  Pick one
A) 18 seconds  B) 27 seconds  C) 26 seconds  D) 12 seconds  E) 16 seconds
Speed of the boat downstream = 15 + 3= 
<gadget id="calculator">15 + 3</gadget>
<output>18</output>
18 kmph= 18 * 5/18= 
<gadget id="calculator">18 * 5/18</gadget>
<output>5</output>
5 m/s   Hence time taken to cover 60 m= 60/5= 
<gadget id="calculator">60/5</gadget>
<output>12</output>
12 seconds.   Answer:12 seconds
<result>D</result>
The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 60 metres?