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The ratio between the speeds of two trains is 7:8 . If the second train runs 400kms .in 5 hours , the speed of tge first train is?
Most Upvoted Answer
The ratio between the speeds of two trains is 7:8 . If the second trai...
Given:

Ratio of speed of two trains = 7:8

Distance covered by second train = 400 km

Time taken by second train = 5 hours


To find:

Speed of first train


Solution:

Let the speed of first train be 7x km/h and the speed of second train be 8x km/h.

Distance covered by second train = Speed of second train × Time taken by second train

400 = 8x × 5

x = 10

Speed of first train = 7x km/h = 7 × 10 = 70 km/h


Answer:

The speed of the first train is 70 km/h.
Community Answer
The ratio between the speeds of two trains is 7:8 . If the second trai...
80 km/h I think
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The ratio between the speeds of two trains is 7:8 . If the second train runs 400kms .in 5 hours , the speed of tge first train is?
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