Question

A trains covers 460km haridwar to gangotri to distance . Taken
time 6hours 20 minutes .speed kitana hai?

Answer 1

Answer: 72.66 km/hr

Step-by-step explanation:

Distance=460 km

Time= 6h 20min

1 hr= 60 min

1 min= 1/60 hr

20 min = 20/60 hr

= 0.33 hr

Total time = 6 + 0.33 hr

=6.33 hr

Speed = distance/time

460/6.33= 72.66 km/hr

Answer 2

The speed of train is 72.63 km/h.

Given:

• A train covers 460km from haridwar to gangotri.
• Time taken to cover the distance is 6hours 20 minutes .

To find:

• Find the speed of train.

Solution:

Concept/formula to be used:

Speed = Distance /time

Step 1:

Convert time in hours.

As we know that,

$1 \: hour = 60 \: min$

So,

$20 \: min \: = \frac{20}{60} \: hour$

$20 \: min = \frac{1}{3} \: hour$

Thus,

Total time taken by train $6 \frac{1}{3} \: hours$

or

Total time taken by train $= \frac{19}{3} \: hours$

Step 2:

Find the speed of train.

Total distance= 460 km

Total time =19/3 hours

$Speed = \frac{460}{ \frac{19}{3} } \: kmph$

$Speed = \frac{460 \times 3}{19} \: kmph$

$Speed = \frac{1380}{19} \: kmph$

$\bf Speed = 72.63 \: kmph$

Thus,

The speed of train is 72.63 km/h.

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