The speed of a boat in still water is 20 km/hr and the rate of current is 5 km/hr. The distance travelled downstream in 12 minutes is: Answers: A) 9 B) 5 C) 7 D) 6 E) 51
Explanation:   Speed downstream = (20+5)= 
<gadget id="calculator">(20+5)</gadget>
<output>25</output>
25 kmph   Distance travelled= (25*(12/60))= 
<gadget id="calculator">(25*(12/60))</gadget>
<output>5</output>
5 km.   ANSWER:5
<result>B</result>
The speed of a boat in still water is 20 km/hr and the rate of current is 5 km/hr. The distance travelled downstream in 12 minutes is: