ICSE Class 7 Answered
1. A train travels between two stations X and Y , a distance of 120 km and 80 minutes. It passes to a station Z , 1 hour after leaving X , what is the distance between Y and Z.
Asked by shreyasonar94.7spicertl | 06 Sep, 2020, 02:41: PM
Expert Answer
The average speed of the train is 120/80 = 3/2 km/minutes = 1.5 km/min
Distance travelled in 1 hour = Distance travelled in 60 minutes = 1.5 x 60 = 90 km
As the train passes station Z in 1 hour after leaving station X, so the distance between X and Z = 90 km
Now, DIstance between Y and Z = (Distance between X and Y) - (Distance between X and Z) = 120 - 90 = 30km
Answered by Renu Varma | 07 Sep, 2020, 12:14: PM
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