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I. Find the speed in the following cases.
|
Distance Covered |
Time Taken |
|
1. 285 km 2. 365 km 3. 504 km 4. 1245 km 5. 516 km 6. 350 m 7. 432 km 8. 840 m 9. 1224 km 10. 3344 m |
5 hrs 3 hrs 7 hrs 15 hrs 6 hrs 50 sec 6 hrs 40 min 8 hrs 16 hrs |
Answer:
I: 1. 57 km/hr
2. 212.67 km/hr
3. 72 km/hr
4. 83 km/hr
5. 86 km/hr
6. 7 m/sec
7. 72 km/hr
8. 21 m/min
9. 153 km/hr
10. 209 km/hr
II. The speed of a moving object is varying from time to time. Find the average speed of the object in the following cases.
1. 1st hour = 34 km/hr
2nd hour = 29 km/hr
3rd hour = 43 km/hr
4th hour = 38 km/hr
2. 1st hour = 18 km/hr
2nd hour = 30 km/hr
3rd hour = 23 km/hr
4th hour = 85 km/hr
3. 1st hour = 45 km/hr
2nd hour = 55 km/hr
3rd hour = 58 km/hr
4th hour = 42 km/hr
4. 1st hour = 135 km/hr
2nd hour = 96 km/hr
3rd hour = 105 km/hr
4th hour = 84 km/hr
Answer:
II. 1. 36 km/hr
2. 39 km/hr
3. 50 km/hr
4. 105 km/hr
III. Express the following in m/min.
1. 60 km/hr
2. 95 km/hr
3. 36 km/hr
4. 70.6 km/hr
5. 16.5 km/hr
6. 23.2 km/hr
7. 82 km/hr
8. 40.5 km/hr
9. 94.5 km/hr
Answer:
III. 1. 1000 m/min
2. 1583.34 m/min
3. 600 m/min
4. 1176.67 m/min
5. 275 m/min
6. 386.67 m/min
7. 1366.67 m/min
8. 675 m/min
9. 1575 m/min
IV. Express the following in m/sec.
1. 43 m/hr
2. 24 m/min
3. 82 m/hr
4. 6 km/hr
5. 40 km/hr
6. 19 m/min
7. 12 km/hr
8. 62 km/hr
9. 60 m/min
Answer:
IV. 1. 154800 m/sec
2. 1440 m/sec
3. 295200 m/sec
4. 1.67 m/sec
5. 11.12 m/sec
6. 1140 m/sec
7. 3.34 m/sec
8. 17.23 m/sec
9. 3600 m/sec
V. Express the following in km/hr.
1. 40 m/sec
2. 90 m/min
3. 30 m/min
4. 48 m/min
5. 25 m/sec
6. 120 m/sec
7. 20 m/min
8. 84 m/min
9. 240 m/min
Answer:
V. 1. 144 km/hr
2. 5.4 km/hr
3. 1.8 km/hr
4. 2.88 km/hr
5. 90 km/hr
6. 432 km/hr
7. 1.2 km/hr
8. 5.04 km/hr
9. 14.4 km/hr
VI. Complete the following table.
|
Distance |
Time |
Speed |
|
|
1. |
360 km |
__________ |
90 km/hr |
|
2. |
__________ |
5 hrs |
95 km/hr |
|
3. |
540 km |
__________ |
60 km/hr |
|
4. |
840 km |
7 hrs |
__________ |
|
5. |
640 km |
__________ |
80 km/hr |
|
6. |
800 km |
16 hrs |
__________ |
|
7. |
__________ |
12 hrs |
60 km/hr |
|
8. |
7200 m |
360 sec |
__________ |
|
9. |
3600 km |
__________ |
60 km/hr |
|
10. |
__________ |
8 hours |
90 km/hr |
|
11. |
520 km |
__________ |
30 km/hr |
|
12. |
700 km |
14 hours |
__________ |
Answer:
VI. 1. 4 hrs
2. 475 km
3. 9 hrs
4. 120 km/hr
5. 8 hrs
6. 50 km/hr
7. 720 km
8. 20 m/sec
9. 60 hrs
10. 720 km
11. 17.3 hrs
12. 50 km/hr
Word Problems on Speed Distance and Time
VII. Solve the following word problems on speed distance and time:
1. Find speed when, distance is 182 km and time is 2 hours.
2. Find out the distance covered when, speed is 960 km/hour and time is 1 hour 50 minutes.
3. Determine the time taken when, distance is 7150 km and speed is 780 km/hr.
4. If distance travelled by a train is 495 km in 4 hours 30 minutes, what is its speed?
5. A cyclist covers 950 m in 5 minutes. Find his speed in km/ hour.
6. The speed of the train is 72 km per hour. Find its speed in metre per second.
7. Express the speed of 60 m per minute in km per hour.
8. A man runs at the speed of 10 km/hr. How much time will he take to cover 750 metres?
9. Aaron ran 500 metre in 100 Seconds. Find the speed in km per hour.
10. A cyclist travels at a speed of 20 km/hour. How far will he travels in 50 minutes?
11. A car starts from Kolkata and reaches a town which is 330 km away from Kolkata in 5 hours. Find the speed of the car.
12. A bike covers a distance of 705 km in 15 hours. Find the speed of the bike.
13. A truck covers 450 km in 9 hours and a bike covers 525 km in 10 hours. Which moves faster? Find the speed of both.
14. A bus covers 65 km in 1st hour, 46 km in 2nd hour, 85 km in 3rd hour and 77 km in 4th hour. Find the average speed of the train.
15. The average speed of a train is 86 km/hr. If the train travels for 9 hours, what is the total distance covered by the train?
Answer:
VII. 1. 91 km/hr
2. 1760 km
3. 9.17 hours
4. 110 km/h
5. 11.4 km/hour.
6. 20 m/sec
7. 3.6 km/hr
8. 4 min 30 sec
9. 18 km/hr
10. 16.67 km (Approx)
11. 66 km/hr
12. 47 km/hr
13. Bike; Truck – 50 km/hr; Bike – 52.5 km/hr
14. 68.25 km/hr
15. 774 km
● 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 Calculating Distance and Time
Worksheet on Speed, Distance and Time.
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