Question

एक रेलगाड़ी 120km/h की एक समान चाल से चल रही
है। 25 मिनट में वह कितनी दूरी तय कर लेगी?A train is
running at the uniform speed of 120km/hour.
How much distance will it cover in 25 minutes?​

Answer 1

Given:

A train is running at a uniform speed of 120km/hour.

To find:

How much distance will it cover in 25 minutes?​

Solution:

We know,

$\boxed{\bold{Distance = Speed \times Time}}$

We will convert the speed from km/hr to m/s and the time from minutes to seconds for easy calculations:

$\boxed{\bold{1 \:km/hr = \frac{5}{18} m/s }}$

$\boxed{\bold{1 \:minute = 60 \:seconds}}$

The uniform speed of the train = 120 km/hr = $120 \times \frac{5}{18} = \frac{600}{18} \:m/s$

and

The time taken by the train = 25 minutes = 25 × 60 = 1500 seconds

Now,

The distance covered by the train will be,

= Speed × Time

= $\frac{600}{18} \times 1500$

= $\bold{50000\:m}$

∵ 1 m = 1000 km

= 50 km

Thus, the distance covered by the train in 25 minutes is → 50 km.

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