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:

Shrenik switched on a bulb at 2 : 39 : 40 hours and switched it off on the same day at 12 : 30 : 34 hours. For how long was the bulb in switched-on mode?

A) 9 hours 9 minutes 6 sec B) 12 hours 40 minutes 6 sec
C) 9 hours 50 minutes 54 sec D) 10 hours 9 minutes 6 sec
 
Answer & Explanation Answer: C) 9 hours 50 minutes 54 sec

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Q:

A car covers the first 30 km at a speed of 60 kmph and the next 20 km at 80 kmph. Find the average speed.

A) 65.67 kmph B) 65.33 kmph
C) 66.33 kmph D) 66.67 kmph
 
Answer & Explanation Answer: D) 66.67 kmph

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Q:

A boy walking at the speed of 4 km/hr covers a certain distance in 6 hours 15 minutes. If he covers the same distance by cycle in 5 hours, then what is the speed (in km/hr) of the cycle?

 

 

A) 4.5 B) 5  
C) 6   D) 6.5
 
Answer & Explanation Answer: B) 5  

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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:

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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Q:

The distance between two places A and B is 60 km. Two cars start at the same time from A and B, travelling at a speed of 35km/h and 25km/h, respectively. If the cars run in the same direction, then they will meet after ( in hours)

A) 6.5 B) 6.2
C) 6 D) 6.52
 
Answer & Explanation Answer: C) 6

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Q:

The traffic lights at four different road crossings change after every 15 sec, 18 sec, 27 sec and 30 sec respectively. If they all change simultaneously at 6:10:00 hours, then at what time will they again change simultaneously?

 

A) 6:14:30 hours B) 6:40:00 hours
C) 6:14:00 hours D) 10:40:00 hours
 
Answer & Explanation Answer: A) 6:14:30 hours

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Q:

What is the distance between the points (11,-5) and (-1,0)?

A) 169 units B) 12 units
C) 13 units D) 144 units
 
Answer & Explanation Answer: C) 13 units

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