The speed at which a man can row a boat in still water is 9.5 kmph. If he rows downstream, where the speed of current is 8.5 kmph, what time will he take to cover 45.5 metres?	Answers
A) 18 seconds	B) 8.4seconds	C) 5 seconds	D) 9.1 seconds	E) 9.5econds
Speed of the boat downstream = 9.5 +8.5= 
<gadget id="calculator">9.5 +8.5</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 45.5 m= 45.5/5= 
<gadget id="calculator">45.5/5</gadget>
<output>9.1</output>
9.1 seconds.   Answer:9.1 seconds
<result>D</result>
The speed at which a man can row a boat in still water is 9.5 kmph. If he rows downstream, where the speed of current is 8.5 kmph, what time will he take to cover 45.5 metres?