Ravi covers a distance of 900mtrs in 180 secs. Find his speed in kmph?
Pick one
A) 10 kmph B) 18 kmph C) 20 kmph D) 26 kmph E) 28 kmph
Given distance D= 900 meters and Time= 180 seconds   Speed = Distance/Time   = 900/180= 
<gadget id="calculator">900/180</gadget>
<output>5</output>
5 m/s.   But speed is asked in kmph , to convert 5 mps to kmph , multiply it by   18/ 5   .   Speed in kmph= 5 x 18/5   = 18 kmph   18 kmph
<result>B</result>
Ravi covers a distance of 900mtrs in 180 secs. Find his speed in kmph?