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Time & Work || 29.09.2022

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Question 1

A gun is fired at a distance of 6.64 km away from Ram standing still. He hears the sound 20 seconds later. Then the speed of sound is:

Question 2

To travel 612 km, an Express train takes 9 hours more than Rajdhani. If the speed of the Express train is doubled, it takes 3 hours less than Rajdhani. The speed (in km/hr) of Rajdhani is

Question 3

The ratio of time taken by three buses to cover the same distance is 2:3:4. The ratio of the speed of these three buses is?

Question 4

Find the time taken by a car to travel 450 kilometer, if it travels half of the distance at 45 km/hr and half of the distance at a speed of 25 km/hr.

Question 5

Rakesh goes on a trip on his motorcycle and rides for 368 kms. If he rides for 5 hours at a speed of 49 km/hr, at what speed he travels for the remaining 3 hours of the journey?

Question 6

A thief is spotted by a policeman from a distance of 150 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 7 km/hr and that of policeman as 9 km/hr, how far the thief would have run, before he is over- taken by the policeman?

Question 7

During an 8 hr journey of 475 km a man travelled some distance on bike at 50 km/h and remaining on a car at 75 km/h. How much distance was covered on bike?

Question 8

Rohit walks at 17 km/hr and Ruchira cycles at 22 km/hr towards each other. What was the distance between them when they started if they meet after 44 minutes?

Question 9

A car covers 630 km in 20 hours. Calculate its speed in meters/second?

Question 10

A train, 200 m long, is running at a speed of 54 km/hr. The time in seconds that will be taken by train to cross a 175 m long bridge is
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Sep 29SSC & Railway