Introduction to Speed

Q.

How long will it take to drive 500 km if you are driving at a speed of 50 km per hour?

1. 4 hours

2. 10 hours

3. 3 hours

4. 2 hours

Q.

What is the speed when the distance is $142km$ and time is $2hours$?

1. $75km/hour$

2. $71km/hour$

3. $70km/hour$

4. $35.5km/hour$

Q.

How fast do you need to travel to go 150 km in 3 hours?

1. 50 km per hour

2. 20 km per hour

3. 65 km per hour

4. 30 km per hour

Q.

Usain Bolt took 9.63 seconds to cover 100 meters in the London Olympics. What was the speed of Usain Bolt?

1. 10 m/s

2. 11 m/s

3. 9.63 m/s

4. 10.38 m/s

Q.

If a racing car covers 200 km in 2 hours then find its speed.

1. 10 kmph

2. 20 kmph

3. 25 kmph

4. 100 km/h

Q.

The train is moving at a uniform speed of 80 km/h. How far will it go in 15 minutes?

1. 10 km

2. 15 km

3. 20 km

4. 13.33 km

Q.

Find the speed.

The distance travelled is 240km at 4 hours.

Q.

Find the speed of vehicles which cover:
(a) A distance of 600 km in 8 hours.
(b) A distance of 294 km in 7 hours.
(c) A distance of 1368 m in 18 seconds.

1. 72 km/h, 40 km/h, 70 m/s

2. 45 km/h, 32 km/h, 80 m/s

3. 75 km/h, 40 km/h, 73 m/s

4. 75 km/h, 42 km/h, 76 m/s

Q.

Find the speed.

The distance travelled is 95km at hours.

Q.

Ram has 5 times as many two-rupee coins as he has Ten-rupee coins. If he has in all a sum of Rs. 100, how many coins of each denomination does he have? [4 MARKS]

Q.

State true or false.

If a man runs at a speed of 15 km/hr, he will take 5 hours to cover 75 km?

1. True

2. False

Q. Shivaji galloped with his horse for 21 km. He crossed the river which was $\frac{1}{3}$ the length he covered with the horse. He walked the remaining distance which was 4 times the breadth of the river.
Calculate the total distance covered by him. [4 MARKS]

Q.

If a racing car covers 500 km in 4 hours then find its speed.

1. 250 km/h

2. 100 km/h

3. 125 km/h

4. 25 km/h

Q.

Find the speed.

The distance travelled is 12 km in 2 hours.

Q.

A train 760m long crosses a platform 440m long in 40 seconds. find the speed of the train in km per hour

Q.

What is the time taken by a scooter travelling at 50 km/hr to cover a distance of 200 km.

Q.

Calculate the time taken for a bullet to travel 8 km at a speed of 5000 m/s.

1. 2.0 seconds

2. 1.5 seconds

3. 1.6 seconds

4. 6.1 seconds

Q. A person crosses a 600 m long street in 5 minutes. what is his speed in km per hour ?

1. 8.4
2. 7.2
3. 3.6
4. 10

Q. A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?

1. 2 : 1
2. 3 : 2
3. 8 : 3
4. Cannot be determined
5. None of these

Q.

Solve the following.

A train 350m long, passes a person standing on the platform in 28 seconds. Find the speed.

Q.

Find the distance traveled (in metres) in meters in the following:

(a) at a speed of 55 km/h in 2 hours

(b) at a speed of 40 km/h in $\frac{1}{4}$ hours

1. 120000 m, 1000 m

2. 11000 m, 1000 m

3. 110000 m, 10000 m

4. 1100 m, 100 m

Q.

Convert

$48132m$ into $km$ and $m$

Q.

If Ted's school is 18 blocks away from Forum mall and 1 block is equal to a distance of 1.5 km then what is the distance between Forum mall and his school (in km)?

___ (Answer is an integer)

Q. A trader has three bundles of rope 392 m, 308 m and 490 m long. What is the greatest length of rope that the bundles can be cut up into without any left over rope?

1. 7 m
2. 14 m
3. 10 m
4. 25 m

Q.

While covering a distance of $30\mathrm{km}$. Ajeet takes $2$ hours more than Amit. If Ajeet doubles his speed, he would take $1$ hour less than Amit. Find their speeds of walking.

Q.

Mohan is driving a car. He takes 12 minutes to cross a bridge while travelling uniformly at a speed of 40km/hr. How long is the bridge?

1. 10 km

2. 12 km

3. None of these

4. 8 km

Q.

A boat takes‘t’ hours to cover ‘x’ km. If the boat is travelling at a uniform speed, then the time taken to cover x+5 km will be

1. t(x+5)/5 hrs

2. t(x+5)/x hrs

3. t+5 hrs

4. x+5 hrs

Q. Ramesh travels $760km$ to his home partly by train and partly by car. He takes $8hr$, if he travels $160km$ by train and the rest by car. He takes $12$ minutes more, if he travels $240km$ by train and the rest by car. Find the speed of train and the car.

1. Speed of train $=80km/hr$ and speed of car $=100km/hr$
2. Speed of train $=60km/hr$ and speed of car $=120km/hr$
3. Speed of train $=40km/hr$ and speed of car $=50km/hr$
4. Speed of train $=70km/hr$ and speed of car $=130km/hr$

Q. The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is

1. 225 m
2. 200 m
3. 245 m
4. 250 m

Q.

A dog and a cat start running from the same corner around the rectangular garden.

Dog runs west and the cat runs north.

Cats speed is $1$ meter per second faster than the dogs speed.

After $2$ seconds the distance between them is $10$ meters.

Find their speed in meters per second.