The speed of a boat in still water is 50kmph and the speed of the current is 20kmph. Find the speed downstream and upstream? Answers:
A) 40, 68 kmph  B) 40, 30 kmph  C) 70, 30 kmph  D) 40, 60 kmph  E) 20, 60 kmph
Speed downstream = 50 + 20= 
<gadget id="calculator">50 + 20</gadget>
<output>70</output>
70 kmph   Speed upstream= 50 - 20= 
<gadget id="calculator">50 - 20</gadget>
<output>30</output>
30 kmph   Answer: 70, 30 kmph
<result>C</result>
The speed of a boat in still water is 50kmph and the speed of the current is 20kmph. Find the speed downstream and upstream?