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 27 minutes is:
Choose one
A) 9.25 B) 5.25 C) 7.25 D) 6.25 E) 11.25
Explanation:   Speed downstream = (20+5)= 
<gadget id="calculator">(20+5)</gadget>
<output>25</output>
25 kmph   Distance travelled= (25*(27/60))= 
<gadget id="calculator">(25*(27/60))</gadget>
<output>45/4 = around 11.25</output>
11.25 km.   ANSW11.25R:11.25
<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 27 minutes is: