If the speed of sonu is 15 km per hour then what is the distance traveled by him in 90 seconds

To find speed when distance and time are given in different units the following conversion are:

1 km = 1000 m

Or

1 m = 1/1000 km

1 hour = 60 minutes

Or

1 minute = 1/60 hrs

1 minute = 60 seconds

Or

1 second = 1/60 minutes

For Example:

1. The speed of train is 60 km/hr; find its speed in metres per second.

Solution:

According to the problem, we know the speed of the train is 60 km/hr.

Distance covered in metres;

1 km = 1000 m

Therefore, 60 km = 60 × 1000 m

60 km = 60000 m

Time taken in seconds;

1 hr = 60 minutes;

1 minutes = 60 seconds

Therefore, 1 hr = 60 × 60 sec

1 hr = 3600 sec

Speed = (Distance )/(Time )

= 60000/3600 metres per second

= 16 2/3 metres per second

2. A car travels at a speed of 25 metres per second. Find its speed in km per hour.

Solution:

Distance travelled in 1 sec = 25 metres

Distance travelled in 1 hr = 25 × 3600

1 metre = 1/1000 km

= (25 × 3600)/1000 km

= 90000/1000 km

= 90 km

● Speed Distance and Time.

Express Speed in Different Units

To find Speed when Distance and Time are given.

To find the Distance when Speed and Time are given.

To find Time when Distance and Speed are given.

Worksheet on Expressing Speed in Different Units

Worksheet on Speed, Distance and Time.

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We will discuss here how to find the distance when speed and time are given.

When speed and time are given, the distance travelled is calculated by using the formula:

Distance = Speed × Time

The unit of time in speed should be the same as that of the given time.

Solved examples to calculate distance when speed and time are given:

1. How much distance will be covered in 5 hrs at a speed of 55 km per hour?

Solution:

Distance covered in 1 hour = 55 km.

We know, Distance = Speed × Time

Distance covered in 5 hrs = 55 × 5

                                   = 275 km.

Therefore, distance covered in 5 hrs = 275 km.

2. A bus travels at a speed of 45 km/hour. How far will it travel in 36 minutes?

Solution:

Speed = 45 km/hour

Time = 36 minutes

       = 36/60 Hour (Since we know, 1 hour = 60 minutes)

       = 3/5 hour

Distance = speed × time

            = 45 × (3/5) km

            = (45 × 3)/5 km

            = 27 km.

3. How much distance will be covered in 7 hrs at a speed of 62 km per hour?

Solution:

Distance covered in 1 hour = 62 km.

We know, Distance = Speed × Time

Distance covered in 7 hrs = 62 × 7

                                      = 434 km.

Therefore, distance covered in 7 hrs = 434 km.

4. Mike drives his car at a speed of 70 km per hour. How much distance will he cover in 3 hours 30 minutes?

Solution:

Speed of the car = 70 km/hr

Time taken         = 3 hours 30 minutes

                         = 3 ½ hours.

Distance covered in 1 hour = 70 km

Distance covered in 3 ½ hour = 70 × 3 ½ km

                                           = 70 × 7/2 km

                                           = 245 km.

5. How much distance will be covered in 1 ½ hour at a speed of 32 m per minute?

Solution:

[1 ½ hr = (60 + 30) minutes = 90 minutes].

Distance covered in 1 minute = 32 metres.

Distance covered in 90 minutes = 32 × 90 = 2880 m.

We know, 1 m = 1/1000 km.

                      = 2880/1000 km. 

                      = 2.88 km.

Note:

In the above example, since the speed is expressed in minutes, time has to be taken in minutes. We should take care that the unit of time in both speed and time is the same.

● Speed Distance and Time.

Relation of Speed Distance and Time

Express Speed in Different Units

To find Speed when Distance and Time are given.

To find the Distance when Speed and Time are given.

To find Time when Distance and Speed are given.

Worksheet on Expressing Speed in Different Units

Worksheet on Speed, Distance and Time.

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5th Grade Math Problems

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Guys, does anyone know the answer?

get if the speed of sonu is 60 km per hour then what is the distance traveled by him in 90 seconds from screen.

[Solved] If Sonu is driving a car at a speed of 20 m/s, then in how m

Given: Sonu is driving a car at a speed of 20 m/s = 20 × 18/5 = 72 km/h; Distance = 936 km Formula Used: Speed = Distance/Time Calculation: Using t

Home Quantitative Aptitude Speed Time and Distance

Question

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If Sonu is driving a car at a speed of 20 m/s, then in how much time Sonu will cover a distance of 936 km?

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SSC GD Previous Paper 1 (Held On: 11 Feb 2019 Shift 1)

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Answer (Detailed Solution Below)

Option 4 : 13 hr

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Detailed Solution

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Sonu is driving a car at a speed of 20 m/s = 20 × 18/5 = 72 km/h;

Distance = 936 km

Speed = Distance/Time

Using the above formulae, we have

⇒ Time = 936/72 = 13 hr

∴ Sonu will cover 936 km in 13 hours.

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More Speed Time and Distance Questions

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Kmph in still water and finds that it takes him thrice as much time to row up than as to row down the same distance in the river. The speed of the current is

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To find Speed when Distance and Time are given

To find speed when distance and time are given in different units the following conversion are: 1 km = 1000 m Or 1 m = 1/1000 km 1 hour = 60 minutes

To find Speed when Distance and Time are given

To find speed when distance and time are given in different units the following conversion are:

1 km = 1000 m Or 1 m = 1/1000 km 1 hour = 60 minutes Or 1 minute = 1/60 hrs

1 minute = 60 seconds

Or

1 second = 1/60 minutes

Solution:

According to the problem, we know the speed of the train is 60 km/hr.

Distance covered in metres;

1 km = 1000 m

Therefore, 60 km = 60 × 1000 m

60 km = 60000 m

Time taken in seconds;

1 hr = 60 minutes;

1 minutes = 60 seconds

Therefore, 1 hr = 60 × 60 sec

1 hr = 3600 sec

= 60000/3600 metres per second

= 16 2/3 metres per second

Solution:

Distance travelled in 1 sec = 25 metres

Distance travelled in 1 hr = 25 × 3600

1 metre = 1/1000 km

= (25 × 3600)/1000 km

= 90000/1000 km = 90 km

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A car travelling at a speed of 60 km/h takes 15 hours to complete a journey. What will be the time taken to complete the same journey by a train whose speed is 90 km/h?

Click here👆to get an answer to your question ✍️ A car travelling at a speed of 60 km/h takes 15 hours to complete a journey. What will be the time taken to complete the same journey by a train whose speed is 90 km/h?

Question

A car travelling at a speed of 60 km/h takes 15 hours to complete a journey. What will be the time taken to complete the same journey by a train whose speed is 90 km/h?

Medium Open in App Solution Verified by Toppr Car:- speed=60 kmph Time=15 hrs

Distance=speed× time

=15×60=900 km

For the train to travel same distance

distance=900 km speed=90 kmph Time= speed distance ​ = 90 900 ​ =10 hours

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