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) 12
B) 16
C) 17
D) 19
E) 10
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.   12nswer: 12
<result>A</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?