The speed of a boat in still water is 60kmph and the speed of the current is 20kmph. Find the speed downstream and upstream?	Choose the most appropriate option:	A) 22 kmph	B) 40 kmph	C) 78 kmph	D) 15 kmph	E) 23 kmph
Speed downstream = 60 + 20= 
<gadget id="calculator">60 + 20</gadget>
<output>80</output>
80 kmph   Speed upstream= 60 - 20= 
<gadget id="calculator">60 - 20</gadget>
<output>40</output>
40 kmph   Answer:40 kmph
<result>B</result>
The speed of a boat in still water is 60kmph and the speed of the current is 20kmph. Find the speed downstream and upstream?