Time, Speed & Distance| Questions 28 to 30 | LOD 1 | Quantitative Aptitude | CAT | Arun Sharma

28. If Arun had walked 1 km/h faster, he would have taken 10 minutes less to walk 2 kilometre. What is Arun's speed of walking?

(a) 1 kmph

(b) 2 kmph

(c) 3 kmph

(d) 6 kmph

29. A plane left half an hour later than the scheduled time and in order to reach its destination 1500 kilometre away in time, it had to increase its speed by 33.33 per cent over its usual speed. Find its increased speed.

(a) 250 kmph

(b) 500 kmph

(c) 750 kmph

(d) 1000 kmph

30. A train moves at a constant speed of 120 km/h for one kilometre and at 40 kmph for the next one kilometre. What is the average speed of the train?

(a) 48 kmph

(b) 50 kmph

(c) 80 kmph

(d) 60 kmph

Видео Time, Speed & Distance| Questions 28 to 30 | LOD 1 | Quantitative Aptitude | CAT | Arun Sharma канала Great Minds