Question

) the ratio between the speeds of two trains is 15:13. If the second train runs 260 km in 2 hours, then the speed of the first train is:

Answer 1

Answer:

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Explanation:

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Answer 2

Given,

The ratio between the speeds of two trains = 15:13.

The second train runs at,

Distance = 260km

Time = 2hours.

To Find,

The speed of the first train.

Solution,

We can solve this mathematical problem using mathematical formulas.

According to the question,

Let ratio constant = k

Speed of 1st train = 15k  kmph.

Speed of 2nd train = 13k  kmph.

For 2nd train,

Speed = $\frac{Distance }{Time}$ = $\frac{260}{2}$ = 130 kmph.

13k = 130

k = $\frac{130}{13}$

k = 10

For 1st train,

Speed of 1st train = 15 × 10 = 150 kmph.

Hence, The speed of the first train is 150 kmph.