Question

Q. 3 Solve the following:

[3 Marks]

1. A bike travels 55 km in first hour, 70 km in second hour and 25 km in third hour. Find its average speed.

2. A train takes 5 hours to travel Agra to Delhi with uniform speed of 80 km/hr. find the distance between the two cities.

3. A car covers 420 km in 7 hours of time. Calculate speed of car .



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Answer 1

Answer:

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Answer 2

Answer:

1. 55+70+25/3 = average

150/3 = 50

2.80×5 = time

400 km is the distance

3.420/7 = speed

60/hr is the speed of car

1.50

2.400km

3.60/hr