Question

J. Numerical problems.
1. A motorcyclist rides from Delhi to
Gurugram covering a distance of 63 km in
1 h 45 min. Calculate his average speed.
2. An athlete completes a 800 m race in
2 minutes. Find his average speed in m/s.
3. A car is running at a uniform speed of
90 km/h. Find its speed in m/s.
4. Duranto Express takes 22 hours to cover
a distance of 1650 km from Hazarat
Nizamuddin to Secunderabad station. What
is the average speed of the train?
5. An insect moves through 3.5 cm in 20 s.
Calculate its speed in mm/s.
6. Calculate the total distance travelled by
a person in 40 minutes when his uniform
speed is 6 km/h.​

Answer 1

Explanation:

4,5 are similar so not done try it out yourself

hope this helps you out

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