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 Time and Distance Questions

Popular Latest Rated Important Formulae

FACTS  AND  FORMULAE  FOR  TIME  AND  DISTANCE

1.Speed = DistanceTime,  Time=DistanceSpeed, Distance= Speed×Time 

 

2. x km/hr = x×518 m/sec

 

3. x m/sec = x×185 km/hr

4. If the ratio of the speeds of A and B is a:b , then the ratio of the times taken by them to cover the same distance is or b : a

5. Suppose a man covers a certain distance at x km/ hr and an equal distance at y km/hr . Then, the average speed during the whole journey is 2xyx+ykm/hr.

Q:

Diameter of a car wheel is 21 cm. A car driver moving at the speed of 66 km/hr takes 36 seconds to reach a destination. How many revolutions will the wheel make during the journey?

 

 

A) 1800   B) 1500
C) 1200   D) 1000
 
Answer & Explanation Answer: D) 1000

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Q:

A car travels a certain distance at 32 km/h and comes back at 68 km/h. What is the average speed for total journey?

A) 50 km/hr B) 37.04 km/hr
C) 43.52 km/hr D) 56.48 km/hr
 
Answer & Explanation Answer: C) 43.52 km/hr

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Q:

Two cyclists P and Q cycle at 20 km/hr and 16 km/hr towards each other respectively. What was the distance (in kms) between them when they started if they met after 40 minutes?

A) 36 B) 30
C) 25 D) 24
 
Answer & Explanation Answer: D) 24

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Q:

The ratio between the speeds of two buses is 11:9. If the second bus runs 270 kms in 15 hours, then the speed of the first bus is?

A) 23 km/hr B) 11 km/hr
C) 2 km/hr D) 22 km/hr
 
Answer & Explanation Answer: D) 22 km/hr

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Q:

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

A) 180 m/s B) 90 m/s
C) 50 m/s D) 100 m/s
 
Answer & Explanation Answer: C) 50 m/s

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Q:

1/3 part of a certain journey is covered with the speed of 25 km/hr, 1/2 part of the journey is covered with the speed of 45 km/hr and the remaining part covered with the speed of 37.5 km/hr. What is the average speed (in km/hr) for the whole journey?

 

A) 37.08 B) 34.61
C) 43 D) 56
 
Answer & Explanation Answer: B) 34.61

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Q:

A car travels a certain distance at 34 km/h and comes back at 66 km/h. What is the average speed for total journey?

A) 50 km/hr B) 39.76 km/hr
C) 55.12 km/hr D) 44.88 km/hr
 
Answer & Explanation Answer: D) 44.88 km/hr

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Q:

Chandan travelled equal distance with speed of 3 kmph, 4 kmph and 8kmph and takes a total time of 42.5 min. Find the total distance in km.

A) 4 B) 2
C) 1 D) 3
 
Answer & Explanation Answer: D) 3

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