Question
Which encryption algorithm is commonly used for secure
communication over the internet, such as in HTTPS?Solution
RSA
A train whose speed is 40 m/s crosses a bridge in 20 seconds. Another train which is 80m shorter than the first train crosses the same bridge at the sp...
Two trains, 'P' and 'Q', begin their journey from stations 'A' and 'B' at the same time, heading towards each other. The total distance between stations...
Two trains P and Q of lengths 250 m and 400 m, respectively, are running in the same direction on parallel tracks at 90 km/h and 120 km/h, respectively....
Train A running at a speed of 45 km/hr crosses train B in 30 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 27 seconds and 17 seconds respectively. It took 21...
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...
- A train moving at a speed of 50 m/s crosses a pole in 12 seconds. Determine the time required for the train to pass a 800-metre-long platform.
Ratio of the lengths of two trains ‘X’ and ‘Y’ is 3:4 respectively and the ratio of time taken by them to cross a pole is 2:3 respectively. If s...
Two trains approach each other at 20 kmph and 25 kmph from 2 places 225 km apart. After how many hours they will meet?
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...
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