Physics, asked by shyamdharsan18, 2 months ago

The ratio between the speeds of two trains is 7:8. If the second train runs 400 kms in 4 hours, then the speed of the first train is ?

Answers

Answered by aswin03

Answer:

87.5 kmph. . Hint: First, let the speed of the first train be 7x kmph and let the speed of the second train be 8x kmph. Then use the information that the second train runs 400 km in 4 hours to get 8x=4004=100.

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The ratio between the speeds of two trains is 7:8. If the second train runs 400 kms in 4 hours, then the speed of the first train is ?​

Answers

The ratio between the speeds of two trains is 7:8. If the second train runs 400 kms in 4 hours, then the speed of the first train is ?