1.

If average walking speed of a girl from her home to school is 4km/h and it takes her 15 min to reach there.calculate the distanxe between her homevand school

Answer»

Answer:

Required distance between her home and school is 1 kilometre.

Explanation:

GIVEN,

Average walking speed = 4 km / h

From the properties of speed

  • Speed = Distance / time TAKEN to cover that distance

Here,

It TAKES 15 minutes for her to reach her school.

On the BASIS of the formula given above :

= > 4 km / h = Distance / 15 min

= > 4 km / h x 15 min = Distance

= > 4 km / 60 min x 15 min = Distance

= > 4 km / 4 = Distance

= > 1 km = Distance

Hence the required distance between her home and school is 1 kilometre.



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