Question

Aakash ran 500 metre in 100 second .Find his speed in km per hour

Answer 1

Given:

distance = 500 m

time = 100 s

Speed = distance / time

==> 500 m / 100 s

But 500 m = 500 /1000 km

= 0.5 km

100 s is 100 / 3600 hr

==> 1 / 36 hr

So speed

==> 0.5 / 1 / 36 km/hr

==> 36 * 0.5 km / hr

==> 18 km/hr

The speed is 18 km / hr

Hope it helps

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Answer 2

Aakash ran 500m = 0.5km

time = 100 second

speed = distance/time
speed = 0.5/100
speed = 1/200 km/h