The speed at which a man can row a boat in still water is 25 kmph. If he rows downstream, where the speed of current is 11 kmph, what time will he take to cover 80 metres?  Choose the correct choice from the following options
A) 18 seconds
B) 27 seconds
C) 26 seconds
D) 12 seconds
E) 8 seconds
Speed of the boat downstream = 25 +11= 
<gadget id="calculator">25 +11</gadget>
<output>36</output>
36 kmph= 36 * 5/18= 
<gadget id="calculator">36 * 5/18</gadget>
<output>10</output>
10 m/s   Hence time taken to cover 80 m= 80/10= 
<gadget id="calculator">80/10</gadget>
<output>8</output>
8 seconds.   Answer:8 seconds
<result>E</result>
The speed at which a man can row a boat in still water is 25 kmph. If he rows downstream, where the speed of current is 11 kmph, what time will he take to cover 80 metres?