Speed of a boat in standing water is 16 kmph and the speed of the stream is 2 kmph. A man rows to a place at a distance of 7020 km and comes back to the starting point. The total time taken by him is: Choose the correct choice from the following choices
A) 914.2 hours B) 900 hours C) 915 hours D) 891.4 hours E) 915 hours
Explanation:   Speed downstream = (16 + 2)= 
<gadget id="calculator">(16 + 2)</gadget>
<output>18</output>
18 kmph   Speed upstream= (16 - 2)= 
<gadget id="calculator">(16 - 2)</gadget>
<output>14</output>
14 kmph   Total time taken= 7020/18 + 7020/14 = 390 + 501.4= 
<gadget id="calculator">390 + 501.4</gadget>
<output>891.4</output>
891.4 hours   Answer: Option 891.4 hours
<result>D</result>
Speed of a boat in standing water is 16 kmph and the speed of the stream is 2 kmph. A man rows to a place at a distance of 7020 km and comes back to the starting point. The total time taken by him is: