Time and Distance Questions

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:

A man travels 800 km in partly by rail and partly by steamer. He spends 7 hours more time on steamer. If the velocity of the steamer is 20 km/hr and the velocity of rail is 55 km/hr, how much distance does he cover by steamer?

A) 316 km B) 379 km
C) 474 km D) 569 km
 
Answer & Explanation Answer: A) 316 km

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3 1621
Q:

A missile travels at 1206 km/h. How many metres does it travel in one second?

A) 355 metres B) 318 metres
C) 302 metres D) 335 metres
 
Answer & Explanation Answer: D) 335 metres

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5 1615
Q:

Car B is running twice as fast as car A. If car A covers a distance of 90 km in 1 1/2 hrs, what is the speed of car B?

A) 60 kmph B) 90 kmph
C) 100 kmph D) 120 kmph
 
Answer & Explanation Answer: D) 120 kmph

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6 1605
Q:

Rahul nd Raghav are 110 km apart from each other and they started horse-riding towards each other at same time at a speed of 20 kmph and 24 kmph. After how many hours of riding will they be a distance of 22 km?

A) 1 hour B) 1 hour 30 min
C) 2 hours D) 2 hours 30 min
 
Answer & Explanation Answer: C) 2 hours

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9 1603
Q:

Two cars travel from city A to city B at a speed of 36 and 54 km/hr respectively. If one car takes 3.5 hours lesser time than the other car for the journey, then the distance between City A and City B is

A) 454 km B) 567 km
C) 302 km D) 378 km
 
Answer & Explanation Answer: D) 378 km

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3 1601
Q:

The ratio of speeds of X and Y is 5:7. Y covers a distance of 420 km in 3 hours. What is the speed of X?

A) 80 kmph B) 90 kmph
C) 120 kmph D) 100 kmph
 
Answer & Explanation Answer: D) 100 kmph

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6 1596
Q:

To cover a distance of 234 km in 1.6 hours what should be the average speed of the car in meters/second?

A) 40.625 m/s B) 146.25 m/s
C) 73.125 m/s D) 81.25 m/s
 
Answer & Explanation Answer: A) 40.625 m/s

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4 1595
Q:

An object travels 23 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

A) 7.6 m/s B) 8.0 m/s
C) 7.6 m D) 8.0 s
 
Answer & Explanation Answer: A) 7.6 m/s

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