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:

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:

A man goes to a place on bicycle at speed of 16 km/hr and comes back at lower speed . If the average speed is 6.4 km/hr in total , then the return speed (in km/hr) is

A) 10 B) 8
C) 6 D) 4
 
Answer & Explanation Answer: D) 4

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Q:

How long will Ramesh take to run round a square park of edge 50 meters, if he runs at the rate of 18 km/hr?

A) 40 sec B) 20 sec
C) 80 sec D) 160 sec
 
Answer & Explanation Answer: A) 40 sec

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Q:

A man starts walking at 6.30 a.m. and wants to cover a distance of 30km. His initial speed is 6 kmph and after covering three-fifth distance, he reduces his speed by 2 kmph. At what time will he complete his walk?

A) 11.00 am B) 12.30 pm
C) 11.30 pm D) 12.00 pm
 
Answer & Explanation Answer: B) 12.30 pm

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Q:

A missile travels at 1440 km/h. How many metres does it travel in one second?

A) 374 metres B) 385 metres
C) 394 metres D) 400 metres
 
Answer & Explanation Answer: D) 400 metres

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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:

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:

At an average of 80 km/hr Shatabdi Express reaches Ranchi from Kolkata in 7 hrs. Then the distance between Kolkata and Ranchi is

A) 560 Km B) 506 Km
C) 560 m D) 650 m
 
Answer & Explanation Answer: A) 560 Km

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