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Q:

Sound travels at 330 metres per second. The distance (in kilometres) of a thunder cloud when its sound follows the flash after 10 seconds

A) 0.33 km B) 3.3 km
C) 33 km D) 33.3 km

Answer:   B) 3.3 km



Explanation:
Subject: Time and Distance - Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
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A) 4 B) 3
C) 2.5 D) 2
 
Answer & Explanation Answer: D) 2

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Answer & Explanation Answer: C) 140

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The ratio between the speeds of two trains is 2 : 5. If the first train runs 350 km in 5 h, then the difference between the speeds (in km/h) of both the trains is:

 

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Answer & Explanation Answer: B) 105

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A man divided his journey into three parts of distances of 18 km, 20 km and 27 km. He travelled the distances at the speeds of 6 km/h, 5 km/h and 9 kn/h,respectively. What was his average speed during the entire journey?

 

A) 6.5 km/h B) 4.5 km/h
C) 7.5 km/h D) 5.5 km/h
 
Answer & Explanation Answer: A) 6.5 km/h

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The distance between two railway stations is 1176 km. To cover this distance, an express train takes 5 hours less than a passenger train while the average speed of the passenger train is 70 km/h less than that of the express train. The time taken by the passenger train to complete the travel is:

 

A) 12 hours B) 23 hours
C) 17 hours D) 18 hours
 
Answer & Explanation Answer: A) 12 hours

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The distance between the places H and O is D units. The average speed that gets a person from H to O in a stipulated time is S units. He takes 20 minutes more time than usual if he travels at 60 km/h, and reaches 44 minutes early if he travels at 75 km/h. The sum of the numerical values of D and S is:

 

A) 376 B) 358
C) 344 D) 384
 
Answer & Explanation Answer: D) 384

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A train that is running at the speed of 72 km/h crossesan electric pole in 36 seconds. The length of the train (in metres) is:

 

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Answer & Explanation Answer: A) 720 m

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