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 24 minutes is:
Choose the most appropriate option: A) 9 B) 5 C) 7 D) 6 E) 10
Explanation:   Speed downstream = (20+5)= 
<gadget id="calculator">(20+5)</gadget>
<output>25</output>
25 kmph   Distance travelled= (25*(24/60))= 
<gadget id="calculator">(25*(24/60))</gadget>
<output>10</output>
10 km.   ANSW10R:10
<result>E</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 24 minutes is: