Speed of a boat in standing water is 14 kmph and the speed of the stream is 1.2 kmph. A man rows to a place at a distance of 4664 km and comes back to the starting point. The total time taken by him is: Choose the correct choice from the following answers.
A) 784 hours  B) 794 hours  C) 780 hours  D) 684 hours  E) 884 hours
Speed downstream = (12 + 1.2)= 
<gadget id="calculator">(12 + 1.2)</gadget>
<output>13.2</output>
13.2 kmph   Speed upstream= (12 - 1.2)= 
<gadget id="calculator">(12 - 1.2)</gadget>
<output>10.8</output>
10.8 kmph   Total time taken=4664/13.2+4664/10.8 = 353 + 431= 
<gadget id="calculator">353 + 431</gadget>
<output>784</output>
784 hours   784 hoursNSWER:784 hours
<result>A</result>
Speed of a boat in standing water is 14 kmph and the speed of the stream is 1.2 kmph. A man rows to a place at a distance of 4664 km and comes back to the starting point. The total time taken by him is: