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Time and Distance - Aptitude Questions and Answers

1. Express a speed of 36 kmph in meters per second?
  • A. 10 mps
  • B. 12 mps
  • C. 14 mps
  • D. 17 mps  

Answer & Explanation
Answer: Option A
Explanation:
36 * 5/18 = 10 mps
2. Express 25 mps in kmph?
  • A. 15 kmph
  • B. 99 kmph
  • C. 90 kmph
  • D. None 

Answer & Explanation
Answer: Option C Explanation:
25 * 18/5 = 90 kmph

  
3. The speed of a train is 90 kmph. What is the distance covered by it in 10 minutes?
  • A. 15 kmph
  • B. 12 kmph
  • C. 10 kmph
  • D. 5 kmph

Answer & Explanation
Answer: Option A
Explanation:
90 * 10/60 = 15 kmph
 
 
4. A car covers a distance of 624 km in 6 ½ hours. Find its speed?
  • A. 104 kmph
  • B. 140 kmph
  • C. 104 mph
  • D. 10.4 kmph  
Answer & Explanation
Answer: Option A
Explanation:
624/6 = 104 kmph

 
5. In what time will a railway train 60 m long moving at the rate of 36 kmph pass a telegraph post on its way?
Answer & Explanation
Answer: Option D
Explanation:
T = 60/36 * 18/5 = 6 sec

6. A train 240 m in length crosses a telegraph post in 16 seconds. The speed of the train is?
  • A. 50 kmph
  • B. 52 kmph
  • C. 54 kmph
  • D. 56 kmph 
Answer: Option C Explanation:
S = 240/16 * 18/5 = 54 kmph


7. The speed of a car is 90 km in the first hour and 60 km in the second hour. What is the average speed of the car?
  • A. 72 kmph
  • B. 75 kmph
  • C. 30 kmph
  • D. 80 kmph
Answer: Option B
Explanation:
S = (90 + 60)/2 = 75 kmph

 8. Walking with 4/5 of my usual speed, I miss the bus by 5 minutes. What is my usual time?
  • A. 35 min
  • B. 30 min
  • C. 25 min
  • D. 20 min 
Answer: Option D
Explanation:
Speed Ratio = 1:4/5 = 5:4Time Ratio = 4:51 -------- 5 4 --------- ? è 20


9. If a man walks to his office at ¾ of his usual rate, he reaches office 1/3 of an hour late than usual. What is his usual time to reach office?
  • A. 1 hour
  • B. 2 hour
  • C. 3 hour
  • D. 4 hour
Answer: Option A
Explanation:
Speed Ratio = 1:3/4 = 4:3
Time Ratio = 3:4
1 -------- 1/3

3 --------- ? è 1 hour
 
 
10. Walking 7/6 of his usual rate, a boy reaches his school 4 min early. Find his usual time to reach the school?
  • A. 25 min
  • B. 26 min
  • C. 27 min
  • D. 28 min
Answer: Option D
Explanation:
Speed Ratio = 1:7/6 = 6:7
Time Ratio = 7:6
1 -------- 7
         4 --------- ? è 28 m
 
 

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