Before granting access a computer checks from the database which of the following?
Ausername is a name that uniquely identifies someone on a computer system. This username/password combination is referred to as a login, and is often required for users to log in to websites. For example, to access your e-mail via the Web, you are required to enter your username and password.
Two trains of same length are running in parallel tracks in the same direction with speed 80 km/hr and 110 km/hr respectively. The latter completely cro...
Train Q of length 360m can cross a pole in 12sec and it can cross train P running in opposite direction in 100/7 sec. If the speed of train P is 2/5 of ...
Train X, traveling at a speed of 72 km/hr, crosses another train Y, which is moving in the opposite direction at a speed of 108 km/hr, in 't' seconds. I...
A train travels at an average speed of 100 km per hour without stoppage and with stoppages it covers the same distance at an average speed of 80 km/hr. ...
Train M, ‘x’ metres long crosses (x – 32) metres long platform in 20 seconds while train N having the length (x + 32) metres crosses the same plat...
If the ratio of speed of train C and Train D is 5:8 and takes 20 seconds to completely cross each other in same direction. If the ratio of their length ...
A train has to cover a distance of 90 km in 15 hours. If it covers half the journey in 4/5 th of the time, the speed to cover remaining distance in the ...
Two trains approach each other at 16 kmph and 22 kmph from 2 places 266 km apart. After how many hours they will meet?
770 metres long train crosses a man who is moving in the same direction with a certain speed, in 35 seconds. If the same train can cross a tree in 22 se...
When a train Q vacated station A at 4 am and reached station B at 7 am. Another train P Vacated station B at 6 am and reached station A at 8:30 am. At a...
