1.

Train A travels 1500km in 12 days and train B travels 1800km in 9 days. Find the ratio of their speeds.​

Answer»

Answer:

Speed = DISTANCE /time

Train A:-

Time = 12 DAYS

Distance = 1500 km

Speed = 1500/12 = 125 km/day

Train B :-

Time = 9 days

Distance = 1800 km

Speed = 1800/9 = 200 km/day

Note :- Since we have to take the ratio of the speed we don't convert days into hours because the units will cancel each other

Ratio of speed = 125/200 = 25/40 = 5/8

Ratio = 5 : 8

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