The speed of a boat in still water is 15 km/h and the speed of the current is 3 km/h. How much distance (in km) can be covered going downstream in 12 minutes?
A3.5
B3.7
C3.4
D3.6
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
An athlete running on a track falls short of the finish line by 20m when she runs at a constant speed for a given time. if she increases her speed by 40%, she overshoots by 10min in the same time. what is the length of the track?
A thief saw a policeman, and he started running at a speed of 18 m/s. After 12 seconds, the policeman starts running behind the thief at a certain speed. If the policeman covered 864 meters distance to reach the thief, then the speed (in m/s) of the policeman is:
The speeds of three cars are in the ratio 5: 3: 4. The ratio between the time taken by these cars to cover the same distance is :
Kavya has to reach Bhopal which is 1011 km away in 19 hours. His starting speed for 7
hours was 25 km/hr. For the next 152 km his speed was 19km/hr. By what speed he
must travel now so as to reach Bhopal in decided time of 19hours?
A bike running at a speed of 50 km/h reaches its destination 10 minutes late. If it runs at 60 km/h it is late by 5 minutes. How many minutes should the bike take, travelling at usual speed to complete the journey on the same route to reach on time?