PE 2 - Time, Speed & Distance | Arithmetic - Time, Speed & Distance
Join our Telegram Channel for CAT/MBA Preparation.
A man can row 4.5 km/h in still water and he finds that it takes him twice as long to row up as to row down the river. Find the rate of the stream.
- (a)
1.5 kmph
- (b)
2 kmph
- (c)
2.5 kmph
- (d)
1.75 kmph
Solution
Discuss
ReportA car travels the first one-third of a certain distance with a speed of 10 km/h, the next one-third distance with a speed of 20 km/h, and the last one-third distance with a speed of 60 km/h. The average speed of the car for the whole journey is
- (a)
18 kmph
- (b)
24 kmph
- (c)
30 kmph
- (d)
36 kmph
Two runners run in the same direction along a circular track of 2 km long. The faster runner overtakes the slower one in every 30 minutes. Find their speeds if the faster one completes the track one minute sooner than the other.
- (a)
24 km/h and 20 km/h
- (b)
44 km/h and 28 km/h
- (c)
20 km/h and 18 km/h
- (d)
20 km/h and 16 km/h
Two trains are moving in opposite directions at speeds of 60 km/h and 90 km/h. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is
- (a)
36
- (b)
49
- (c)
45
- (d)
48
A is twice as fast as B and B is thrice as fast as C is the journey covered by C in 1½ hours will be covered by A in
- (a)
15 minutes
- (b)
2 minutes
- (c)
30 minutes
- (d)
1 hour
A motorcyclist covered two thirds of a total journey at his usual speed. He covered the remaining distance at three fourth of his usual speed. As a result, he arrived 30 minutes later than the time he would have taken at usual speed. If the total journey was 180 km, then what is his usual speed?
- (a)
40 kmph
- (b)
36 kmph
- (c)
30 kmph
- (d)
32 kmph
A man can row a certain distance against the stream in six hours. However, he would take two hours less to cover the same distance with the current. If the speed of the current is 2 km/h, then what is the rowing speed in still water?
- (a)
10 kmph
- (b)
12 kmph
- (c)
14 kmph
- (d)
8 kmph
Two trains X and Y leave stations A and B, respectively, which are 180 km apart. Train X travels at a speed of 70 km/hr non-stop towards B. Train Y travels at 50 km/hr towards A, but stops for 15 min at a station known to be 50 km away from station B. At what approximate distance (in km) from station A will both the trains meet?
- (a)
112
- (b)
118
- (c)
120
- (d)
150
- (e)
122
If I walk at 4 km/h, I miss the bus by 10 minutes. If I walk at 5 km/h, I reach 5 minutes before the arrival of the bus. How far I walk to reach the bus stand?
- (a)
5 kms
- (b)
4.5 kms
- (c)
5.25 kms
- (d)
Cannot be determined
Three men A, B and C walk around a circular path of length 1760 meters at the rate of 160, 120, 105 m/minutes respectively. If they start together and walk in the same direction, when will they first be together again?
- (a)
5 hours 50 mins
- (b)
5 hours 52 mins
- (c)
6 hours 45 mins
- (d)
None of these