a person is going to Delhi from his home cover 180 km in 4 hours . he returns his home from Delhi in 5 hours .(.1). find the speed ( 2). find the velocity
Answers
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Answer:
The question is from the topic Time and distance. This question tests our understanding of relationship between time and speed when the distance is constant. It is a classic question involving the concept of speed, distance and time. Time Speed and Distance is a favorite in CAT Exam, and appears more often than expected in the CAT Quantitative Aptitude section in the CAT Exam.
Question 5: Mr. X decides to travel from Delhi to Gurgaon at a uniform speed and decides to reach Gurgaon after T hr. After 30 km, there is some engine malfunction and the speed of the car becomes 45th of the original speed. So, he travels the rest of the distance at a constant speed 45th of the original speed and reaches Gurgaon 45 minutes late. Had the same thing happened after he travelled 48 km, he would have reached only 36 minutes late. What is the distance between Delhi and Gurgaon?
Explanation:
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