The speed of a boat in still water in 42 km/hr and the rate of current is 7 km/hr. The distance travelled downstream in 44 minutes is:	Choose the correct choice.
A) 86.6 km  B) 46.6 km  C) 35.9 km  D) 35.6 km  E) 26.6 km
Speed downstream = (42 + 7)= 
<gadget id="calculator">(42 + 7)</gadget>
<output>49</output>
49 kmph   Time= 44 minutes =44/60 hour = 11/15 hour   Distance travelled = Time × speed =11/15×49 = 35.9 km   ANSWER:35.9 km
<result>C</result>
The speed of a boat in still water in 42 km/hr and the rate of current is 7 km/hr. The distance travelled downstream in 44 minutes is: