The speed at which a man can row a boat in still water is 10 kmph. If he rows downstream, where the speed of current is 2 kmph, what time will he take to cover 60 metres? Options
A) 18 seconds	B) 34 seconds	C) 14 seconds	D) 12 seconds	E) 15 seconds
Speed of the boat downstream = 10 + 2= 
<gadget id="calculator">10 + 2</gadget>
<output>12</output>
12 kmph= 12 * 5/18 = 10/3 m/s   Hence time taken to cover 60 m = 60*3/10= 
<gadget id="calculator">60*3/10</gadget>
<output>18</output>
18 seconds.   18 secondsnswer: 18 seconds
<result>A</result>
The speed at which a man can row a boat in still water is 10 kmph. If he rows downstream, where the speed of current is 2 kmph, what time will he take to cover 60 metres?