Question
Which of the following ACID properties ensures that
either all operations within a transaction are completed successfully, or none are?Solution
Answer: A) Atomicity
Two trains ‘A’ and ‘B’ started from station ‘P’ and ‘Q’ towards station ‘Q’ and ‘P’ respectively at the same time. When they met...
Two trains approach each other at 21 kmph and 25 kmph from 2 places 230 km apart. After how many hours they will meet?
A train 300 metre long takes 45 sec to cross a man running at a speed of 6 km/hr in the direction opposite to that of train. What is the speed of the tr...
The ratio of the length of two trains P and Q is 5:6 and the ratio of the time taken by both trains to cross a man standing on a platform is 2:3. If the...
A train 120 m long runs at 54 km/h. It passes a pole in 8 seconds. In how many seconds will it pass a platform of length 180 m?
- Train ‘M’ and train ‘N’ depart from stations ‘A’ and ‘B’ respectively, heading towards each other at the same moment. After 10 hours, they ...
Two trains of lengths 180 m and 220 m are moving in opposite directions with speeds 54 km/h and 72 km/h respectively. In how many seconds will they cros...
1440 metres long train crosses a man who is moving in the same direction with a certain speed in 30 seconds. If the same train can cross a pole in 24 se...
- A train can cross a pole in 8 seconds while it can cross a 216 metres long platform in 26 seconds. Find the time (in hours) taken by the train to cover a d...
Speeds of train 'A' and train 'B' are in the ratio 2:3, respectively. Train 'B' can completely overtake train 'A' in 300 seconds. If lengths of train 'A...
