A truck covers the distance of 550 meters in 1 minute where as a bus covers a distance of 33kms in 45 minutes.Find the ratio of their speed?	Answers.
A) 3:1
B) 4:3
C) 5:2
D) 3:4
E) 2:2
Formula: d=s*t   Ratio of speed=[(550/50)*(18/5)]:[33*(45*60)](1 minute=60 sec)   =(11*3):(11*4)   =33:44   =3:4   Ratio of speed in car and bus is 3:4   Answer: option 3:4
<result>D</result>
A truck covers the distance of 550 meters in 1 minute where as a bus covers a distance of 33kms in 45 minutes.Find the ratio of their speed?