Question
What defines the interaction between a computer and its
user, enabling them to execute tasks?Solution
The user interface (UI) allows interaction between the user and the system, making it easy to input commands and receive output.
A train 180 m long crosses a 270 m platform in 27 seconds. Find the speed in km/h.
If the length of a train were halved, it would take 8 seconds to pass a pole. Given that the train's speed is 25 m/sec, determine the time required for ...
A train 120 m long passes a pole in 10 seconds. Find its speed in km/h.
Two trains approach each other at 22 kmph and 25 kmph from 2 places 282 km apart. After how many hours they will meet?
- Two trains ‘D’ and ‘E’ of lengths 660 metres and 440 metres respectively are travelling towards each other. Ratio of speed of ‘D’ to ‘E’ is...
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 50 km/hr and 80 km/hr respectively. The latter completely cros...
- Two cyclists ‘X’ and ‘Y’ start from towns ‘M’ and ‘N’ respectively towards each other at the same time. When they meet after 6 hours, cycli...
Train ‘A’ running with a speed of 19.8 km/hr can cross a standing goods train of 4 times its length in 40 seconds. Find the time taken by 250 metres...
A train of length 300 metres crosses a man standing on platform in 15 seconds. If its speed decreases by 20%, then find the time taken by train to cros...
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