a truck covers a distance of 550 metres in 1 minute whereas a train covers a distance of 33 kms in 45 minutes. what is the ratio of their speed? Select the correct option:
A) 3 : 7
B) 4 : 7
C) 1 : 4
D) 3 : 4
E) 2 : 5
<gadget id="calculator">33 / 45</gadget>
<output>11/15 = around 0.733333</output>

<gadget id="calculator">(11/15) * 1_000</gadget>
<output>2_200/3 = around 733.333333</output>

<gadget id="calculator">550 / (2_200/3)</gadget>
<output>3/4 = around 0.75</output>

<result>D</result>
a truck covers a distance of 550 metres in 1 minute whereas a train covers a distance of 33 kms in 45 minutes. what is the ratio of their speed?
divide(550, multiply(divide(33, 45), const_1000))
"explanation : speed of the truck = distance / time = 550 / 1 = 550 meters / minute speed of the train = distance / time = 33 / 45 km / minute = 33000 / 45 meters / minut speed of the truck / speed of the train = 550 / ( 33000 / 45 ) = ( 550 × 45 ) / 33000 = ( 55 × 45 ) / 3300 = ( 11 × 45 ) / 660 = ( 11 × 9 ) / 132 = 9 / 12 = 34 hence , speed of the truck : speed of the train = 3 : 4 answer : option d"