Question
Jatin’s laptop has an LCD screen. The acronym LCD
stands for:Solution
A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical devices that uses the light-modulating properties of liquid crystals. Liquid crystals do not emit light directly, instead of using a backlight or reflector to produce images in color or monochrome.
Pipe ‘A’ can fill a tank in 20 hours while pipe ‘B’ takes 30 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 1...
The work done by a man, a woman and a child are in the ratio of 4 :3: 1. There are 15 men, 20 women and 30 children in a factory. Their weekly wages amo...
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Pipes ‘A’ and ‘B’ can fill a tank in 6 hours and 9 hours, respectively. If pipe ‘C’ is opened along with pipes ‘A’ and ‘B’, then the...
Pipe ‘G’ and pipe ‘H’ together can fill an empty tank in 40 hours while pipe ‘H’ and pipe ‘I’ together take 25 hours to fill the same ta...
Pipe Y is 25% less efficient than pipe X. Together, pipes X and Y can fill a tank in 15 minutes. Pipe Z alone can empty the tank ...
A tank has three pipes, X, Y, and Z. X can fill the tank in 8 hours, Y can fill it in 12 hours, and Z can empty it in 6 hours. If X, Y, and Z are opened...
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