The rate of downstream = 24 / 8 km/hr , The rate of upstream = 16 / 8 km /hr . So , the velocity of the current is 1 / 2 ( 24 / 8 – 16 / 8 ) km /hr = 1 / 2 km /hr.
Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 10 seconds. Find the approx. time taken by the train ‘A’ ...
260 metre long train ‘A’ can cross a platform of length 180 metres in 16 seconds. If the speed of train ‘B’ is 6 m/s more than that of train ‘...
Two trains 165 metres and 135 metres in length are running towards each other on parallel tracks, one at the rate 70 km/hr and another at 38 km/hr. In h...
Train A takes 24 seconds to cross a pole and 20sec to cross a man walking at the speed of 5.6 meter per second towards it. Train B travels 1 meter per s...
Train A takes 90 seconds to cross a telegraph pole by travelling at 18 kmph speed. Train B has its length 60% more than A. It takes 40 seconds to cross ...
Train ‘A’ running with a speed of 18 km/h crosses a pole in 8 seconds. If the time taken by train ‘A’ to cross train ‘B’ running with a spee...
A motor car travels a distance of 180 km at the speed of 20 kmph. If it covers the next 100 km of its journey at the speed of 20 kmph and last 40 km of ...
A train 450 m long running at 72 km/hr takes 45 seconds to cross a bridge The length of the bridge is
Train P travelling at 55 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 35 km/hr in 14 seconds...
Two trains, A and B, cross each other in 30 seconds and 50 seconds respectively, when running in opposite and the same direction respectively. If the sp...
