time speed and distance for ssc gd

1. A car travels 150 km in 3 hours. What is its speed?

Answer / उत्तर:

Formula / सूत्र: Speed = Distance / Time

Calculation / गणना: Speed = 150 km / 3 hours = 50 km/h

Final Answer / अंतिम उत्तर: 50 km/h

2. A train runs at 60 km/h for 2.5 hours. How far does it travel?

Answer / उत्तर:

Formula / सूत्र: Distance = Speed × Time

Calculation / गणना: Distance = 60 × 2.5 = 150 km

Final Answer / अंतिम उत्तर: 150 km

3. A cyclist covers 90 km in 6 hours. Find his average speed.

Answer / उत्तर:

Formula / सूत्र: Speed = Distance / Time

Calculation / गणना: Speed = 90 / 6 = 15 km/h

Final Answer / अंतिम उत्तर: 15 km/h

4. A person walks at 5 km/h for 4 hours. How much distance is covered?

Answer / उत्तर:

Formula / सूत्र: Distance = Speed × Time

Calculation / गणना: Distance = 5 × 4 = 20 km

Final Answer / अंतिम उत्तर: 20 km

5. A vehicle covers 240 km in 4 hours. What is its speed?

Answer / उत्तर:

Formula / सूत्र: Speed = Distance / Time

Calculation / गणना: Speed = 240 / 4 = 60 km/h

Final Answer / अंतिम उत्तर: 60 km/h

6. A train runs at 80 km/h for 2 hours 15 minutes. Find the distance covered.

Answer / उत्तर:

Formula / सूत्र: Distance = Speed × Time

Calculation / गणना: Time = 2 + 15/60 = 2.25 hours

Distance = 80 × 2.25 = 180 km

Final Answer / अंतिम उत्तर: 180 km

7. A car travels 45 km in 30 minutes. What is its speed in km/h?

Answer / उत्तर:

Formula / सूत्र: Speed = Distance / Time

Calculation / गणना: Time = 30/60 = 0.5 hours

Speed = 45 / 0.5 = 90 km/h

Final Answer / अंतिम उत्तर: 90 km/h

8. A person runs at 10 km/h for 15 minutes. How far does he run?

Answer / उत्तर:

Formula / सूत्र: Distance = Speed × Time

Calculation / गणना: Time = 15/60 = 0.25 hours

Distance = 10 × 0.25 = 2.5 km

Final Answer / अंतिम उत्तर: 2.5 km

9. A bus covers 300 km at 75 km/h. Find the time taken.

Answer / उत्तर:

Formula / सूत्र: Time = Distance / Speed

Calculation / गणना: Time = 300 / 75 = 4 hours

Final Answer / अंतिम उत्तर: 4 hours

10. A man walks 20 km at 4 km/h. How much time will he take?

Answer / उत्तर:

Formula / सूत्र: Time = Distance / Speed

Calculation / गणना: Time = 20 / 4 = 5 hours

Final Answer / अंतिम उत्तर: 5 hours

11. Two trains run towards each other with speeds of 60 km/h and 40 km/h. If the distance between them is 240 km, when will they meet?

Answer / उत्तर:

Combined Speed = 60 + 40 = 100 km/h

Time = Distance / Combined Speed = 240 / 100 = 2.4 hours

Final Answer / अंतिम उत्तर: 2.4 hours or 2 hours 24 minutes

12. A man cycles at 12 km/h and takes 2 hours to reach his destination. What is the distance?

Answer / उत्तर:

Distance = Speed × Time = 12 × 2 = 24 km

Final Answer / अंतिम उत्तर: 24 km

13. A car travels 120 km at a speed of 60 km/h and returns at 40 km/h. Find the average speed.

Answer / उत्तर:

Average Speed = (2 × Speed1 × Speed2) / (Speed1 + Speed2)

Average Speed = (2 × 60 × 40) / (60 + 40) = 4800 / 100 = 48 km/h

Final Answer / अंतिम उत्तर: 48 km/h

14. A person walks 10 km in 2 hours and then 20 km in 3 hours. Find his average speed.

Answer / उत्तर:

Total distance = 10 + 20 = 30 km

Total time = 2 + 3 = 5 hours

Average speed = Total distance / Total time = 30 / 5 = 6 km/h

Final Answer / अंतिम उत्तर: 6 km/h

15. A train covers 360 km in 4 hours. What is its speed?

Answer / उत्तर:

Speed = Distance / Time = 360 / 4 = 90 km/h

Final Answer / अंतिम उत्तर: 90 km/h

16. If a car moves at 72 km/h, how many meters does it cover in one second?

Answer / उत्तर:

Speed in m/s = (72 × 1000) / (60 × 60) = 20 m/s

Final Answer / अंतिम उत्तर: 20 meters per second

17. Two cars start from the same point and travel in opposite directions at 60 km/h and 40 km/h. How far apart will they be after 3 hours?

Answer / उत्तर:

Total distance apart = (60 + 40) × 3 = 100 × 3 = 300 km

Final Answer / अंतिम उत्तर: 300 km

18. A man runs 100 meters in 20 seconds. What is his speed in km/h?

Answer / उत्तर:

Speed in m/s = 100 / 20 = 5 m/s

Speed in km/h = 5 × 18 / 5 = 18 km/h

Final Answer / अंतिम उत्तर: 18 km/h

19. A train travels 180 km in 3 hours. What is its average speed?

Answer / उत्तर:

Speed = 180 / 3 = 60 km/h

Final Answer / अंतिम उत्तर: 60 km/h

20. A vehicle covers 75 meters in 5 seconds. What is its speed in km/h?

Answer / उत्तर:

Speed in m/s = 75 / 5 = 15 m/s

Speed in km/h = 15 × 18 / 5 = 54 km/h

Final Answer / अंतिम उत्तर: 54 km/h

21. A person travels 24 km in 3 hours. Find his speed.

Answer / उत्तर:

Speed = Distance / Time = 24 / 3 = 8 km/h

Final Answer / अंतिम उत्तर: 8 km/h

22. A car travels 150 km in 3 hours. How long will it take to travel 250 km at the same speed?

Answer / उत्तर:

Speed = 150 / 3 = 50 km/h

Time = Distance / Speed = 250 / 50 = 5 hours

Final Answer / अंतिम उत्तर: 5 hours

23. A cyclist travels at 20 km/h. How far will he travel in 45 minutes?

Answer / उत्तर:

Time = 45/60 = 0.75 hours

Distance = Speed × Time = 20 × 0.75 = 15 km

Final Answer / अंतिम उत्तर: 15 km

24. A bus runs at 54 km/h. How many meters will it cover in 10 seconds?

Answer / उत्तर:

Speed in m/s = (54 × 1000) / (60 × 60) = 15 m/s

Distance = Speed × Time = 15 × 10 = 150 meters

Final Answer / अंतिम उत्तर: 150 meters

25. A train running at 90 km/h crosses a pole in 20 seconds. What is the length of the train?

Answer / उत्तर:

Speed in m/s = (90 × 1000) / 3600 = 25 m/s

Length of train = Speed × Time = 25 × 20 = 500 meters

Final Answer / अंतिम उत्तर: 500 meters

26. A train travels 540 km in 6 hours. What is its average speed?

Answer / उत्तर:

Speed = Distance / Time = 540 / 6 = 90 km/h

Final Answer / अंतिम उत्तर: 90 km/h

27. A man walks 15 km in 3 hours and then 20 km in 4 hours. Find his average speed.

Answer / उत्तर:

Total distance = 15 + 20 = 35 km

Total time = 3 + 4 = 7 hours

Average speed = 35 / 7 = 5 km/h

Final Answer / अंतिम उत्तर: 5 km/h

28. A car travels 100 km at 50 km/h and returns at 25 km/h. Find the average speed for the whole journey.

Answer / उत्तर:

Average Speed = (2 × 50 × 25) / (50 + 25) = 2500 / 75 = 33.33 km/h

Final Answer / अंतिम उत्तर: 33.33 km/h

29. A bus moves at 60 km/h for 3 hours and then at 40 km/h for 2 hours. Find the total distance covered.

Answer / उत्तर:

Distance1 = 60 × 3 = 180 km

Distance2 = 40 × 2 = 80 km

Total distance = 180 + 80 = 260 km

Final Answer / अंतिम उत्तर: 260 km

30. A cyclist travels at 15 km/h for 45 minutes. How far does he go?

Answer / उत्तर:

Time = 45/60 = 0.75 hours

Distance = Speed × Time = 15 × 0.75 = 11.25 km

Final Answer / अंतिम उत्तर: 11.25 km

31. A car covers 180 km in 3 hours 30 minutes. What is its speed?

Answer / उत्तर:

Time = 3.5 hours

Speed = Distance / Time = 180 / 3.5 ≈ 51.43 km/h

Final Answer / अंतिम उत्तर: 51.43 km/h

32. A man walks 12 km in 2 hours and then 18 km in 3 hours. Find the average speed.

Answer / उत्तर:

Total distance = 12 + 18 = 30 km

Total time = 2 + 3 = 5 hours

Average speed = 30 / 5 = 6 km/h

Final Answer / अंतिम उत्तर: 6 km/h

33. A runner completes 400 meters in 50 seconds. Find his speed in m/s and km/h.

Answer / उत्तर:

Speed (m/s) = 400 / 50 = 8 m/s

Speed (km/h) = 8 × 18 / 5 = 28.8 km/h

Final Answer / अंतिम उत्तर: 8 m/s or 28.8 km/h

34. A car travels at 54 km/h. How many meters does it cover in 1 second?

Answer / उत्तर:

Speed in m/s = (54 × 1000) / 3600 = 15 m/s

Final Answer / अंतिम उत्तर: 15 meters per second

35. Two trains are moving in the same direction at speeds of 60 km/h and 40 km/h. If the faster train is 200 meters behind the slower one, how long will it take to pass the slower train?

Answer / उत्तर:

Relative speed = 60 – 40 = 20 km/h = (20 × 1000) / 3600 = 5.56 m/s

Time = Distance / Relative speed = 200 / 5.56 ≈ 36 seconds

Final Answer / अंतिम उत्तर: Approximately 36 seconds

36. A man travels 150 km by car at 50 km/h and returns by train at 75 km/h. Find the average speed of the entire journey.

Answer / उत्तर:

Average speed = (2 × 50 × 75) / (50 + 75) = 7500 / 125 = 60 km/h

Final Answer / अंतिम उत्तर: 60 km/h

37. A runner completes a race of 10 km in 50 minutes. What is his speed in km/h?

Answer / उत्तर:

Time = 50/60 = 5/6 hours

Speed = 10 / (5/6) = 10 × 6/5 = 12 km/h

Final Answer / अंतिम उत्तर: 12 km/h

38. A car travels 60 km at 40 km/h and then 90 km at 30 km/h. What is the average speed?

Answer / उत्तर:

Time for first part = 60/40 = 1.5 hours

Time for second part = 90/30 = 3 hours

Total distance = 60 + 90 = 150 km

Total time = 1.5 + 3 = 4.5 hours

Average speed = 150 / 4.5 = 33.33 km/h

Final Answer / अंतिम उत्तर: 33.33 km/h

39. A man walks 20 km in 4 hours and then 15 km in 3 hours. Find his average speed.

Answer / उत्तर:

Total distance = 20 + 15 = 35 km

Total time = 4 + 3 = 7 hours

Average speed = 35 / 7 = 5 km/h

Final Answer / अंतिम उत्तर: 5 km/h

40. A train running at 72 km/h crosses a bridge of 180 meters in 30 seconds. Find the length of the train.

Answer / उत्तर:

Speed in m/s = (72 × 1000) / 3600 = 20 m/s

Distance covered in 30 seconds = 20 × 30 = 600 meters

Length of train = Total distance – Length of bridge = 600 – 180 = 420 meters

Final Answer / अंतिम उत्तर: 420 meters

41. A car travels 240 km in 4 hours and 30 minutes. Find its average speed.

Answer / उत्तर:

Time = 4.5 hours

Speed = 240 / 4.5 ≈ 53.33 km/h

Final Answer / अंतिम उत्तर: 53.33 km/h

42. Two trains are running towards each other on parallel tracks at speeds of 80 km/h and 60 km/h respectively. The distance between them is 280 km. After how much time will they meet?

Answer / उत्तर:

Relative speed = 80 + 60 = 140 km/h

Time = Distance / Relative speed = 280 / 140 = 2 hours

Final Answer / अंतिम उत्तर: 2 hours

43. A man walks 3 km north in 30 minutes and then 4 km east in 40 minutes. What is his average speed?

Answer / उत्तर:

Total distance = 3 + 4 = 7 km

Total time = 30 + 40 = 70 minutes = 7/6 hours

Average speed = 7 / (7/6) = 6 km/h

Final Answer / अंतिम उत्तर: 6 km/h

44. A car moves at 90 km/h. How long will it take to cover 150 km?

Answer / उत्तर:

Time = Distance / Speed = 150 / 90 = 5/3 hours = 1 hour 40 minutes

Final Answer / अंतिम उत्तर: 1 hour 40 minutes

45. A cyclist covers a distance of 20 km in 1 hour 15 minutes. Find his speed.

Answer / उत्तर:

Time = 1.25 hours

Speed = 20 / 1.25 = 16 km/h

Final Answer / अंतिम उत्तर: 16 km/h

46. A car travels at 45 km/h. How far will it travel in 2 hours 30 minutes?

Answer / उत्तर:

Time = 2.5 hours

Distance = Speed × Time = 45 × 2.5 = 112.5 km

Final Answer / अंतिम उत्तर: 112.5 km

47. A train covers a distance of 450 km in 5 hours. What is its speed?

Answer / उत्तर:

Speed = Distance / Time = 450 / 5 = 90 km/h

Final Answer / अंतिम उत्तर: 90 km/h

48. A man runs 100 meters in 20 seconds. Find his speed in m/s and km/h.

Answer / उत्तर:

Speed = 100 / 20 = 5 m/s

Speed in km/h = 5 × 18 / 5 = 18 km/h

Final Answer / अंतिम उत्तर: 5 m/s or 18 km/h

49. A car moves at 60 km/h for 2 hours and then at 80 km/h for 3 hours. What is the total distance covered?

Answer / उत्तर:

Distance1 = 60 × 2 = 120 km

Distance2 = 80 × 3 = 240 km

Total distance = 120 + 240 = 360 km

Final Answer / अंतिम उत्तर: 360 km

50. A bus travels 480 km at an average speed of 60 km/h. How long does it take?

Answer / उत्तर:

Time = Distance / Speed = 480 / 60 = 8 hours

Final Answer / अंतिम उत्तर: 8 hours