The speed at which a woman can row a boat in still water is 300 kmph. If he rows downstream, where the speed of current is 42 kmph, what time will he take to cover 190 metres? Pick
A) 1 B) 2 C) 3 D) 4 E) 5
Speed of the boat downstream = 300 + 42= 
<gadget id="calculator">300 + 42</gadget>
<output>342</output>
342 kmph= 342 * 5/18= 
<gadget id="calculator">342 * 5/18</gadget>
<output>95</output>
95 m/s   Hence time taken to cover 190 m= 190/95= 
<gadget id="calculator">190/95</gadget>
<output>2</output>
2 seconds. Answer: 2
<result>B</result>
The speed at which a woman can row a boat in still water is 300 kmph. If he rows downstream, where the speed of current is 42 kmph, what time will he take to cover 190 metres?