The speed of a boat in still water in 42 km/hr and the rate of current is 5 km/hr. The distance travelled downstream in 44 minutes is:	Select the correct option:
A) 86.6 km B) 46.6 km C) 34.5 km D) 35.6 km E) 26.6 km
Speed downstream = (42 + 5)= 
<gadget id="calculator">(42 + 5)</gadget>
<output>47</output>
47 kmph   Time= 44 minutes =44/60 hour = 11/15 hour   Distance travelled = Time × speed =11/15×47 = 34.5 km   ANSWER:34.5 km
<result>C</result>
The speed of a boat in still water in 42 km/hr and the rate of current is 5 km/hr. The distance travelled downstream in 44 minutes is: