Question
A `FOREIGN KEY` constraint is used
to:Solution
Define a relationship between two tables.
A train of 250 metres is moving at a speed of 90 km/h. It completely crosses a platform in 45 seconds. What is the platformβs length?
Length of a train, whose speed is 108 km/h, is 540 metres. Find the time taken (in seconds) by train to cross a bridge of length 360 metres.
- Train 'A' having a speed of 20 m/s can cross a man in 7 seconds. The length of train 'B' is 40 metres more than the length of 'A'. If the speed of 'B' is 3...
What will be the length of train 1?
Statement I: If train 1 covers a standing man in 12 sec.
Statement II: if a train 1 covers a platfo...
Length of a train, whose speed is 90 km/h, is 600 metres. Find the time taken (in seconds) by train to cross a bridge of length 300 metres.
Two trains of same length are running in parallel tracks in the same direction with speed 40 km/hr and 70 km/hr respectively. The latter completely cros...
Train βDβ is travelling with a speed of 60 km/hr and crosses a vertical pole in 6 seconds. Train βEβ is 36 metres longer than βDβ and travel...
Two poles are positioned at a certain distance from each other. A train traveling at a speed of 90 km/hr passes the first pole in 5 seconds and reaches ...
A person is jogging at 10 m/sec in the same direction of a train. The train crosses him in 6 seconds. If the speed of the train is 90 km/hr, find the ti...
If a boy walks from his house at 5 Km/hour, he reaches school 10 minutes early. If he walks at 3 km/hour he reaches 10 minutes late. What is the distanc...