Under which communication network every employee can talk to every other employee in an organisation organization?
Star or all-channel Network: Under star communication network all members of the group communicate with each other and exchange information. This network is a must for group communication or where teamwork is involved. 
A person travels a distance of 60 km, some distance he travels by bus and rest of the journey by walking, then he takes 4 hours and 20 minutes. If he ha...
Two trains of same length are running in parallel tracks in the same direction with speed 26 km/hr and 80 km/hr respectively. The latter completely cros...
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 1:2 respectively. If s...
A train passes 150 m long platform in 10 seconds and a man standing on the platform in 8 seconds. Find the speed of the train?
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 30 seconds and 22 seconds respectively. It took 25...
A train 450 m long running at 72 km/hr takes 45 seconds to cross a bridge The length of the bridge is
A goods train leaves a station at a certain time and at a fixed speed. After 11 hours, an express train leaves the same station and moves in the same di...
A train 200 metre long takes 20 sec to cross a man running at a speed of 4 km/hr in the direction same to that of train. What is the speed of the train?
Two trains of same length are running in parallel tracks in the same direction with speed 26 km/hr and 80 km/hr respectively. The latter completely cros...
A train 420 metre long takes 21 sec to cross a man running at a speed of 3 km/hr in the direction same to that of train. What is the speed of the train?
