Question
A aeroplane covers a distance of 7200 km in 80 hours.
What is the speed (in kmph) of the aeroplane?Solution
Distance = 7200 km, Time= 80 hrs. Speed = `(Distance)/(Time)` = 7200/80 = 90 km/hr
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A small film-plate which is used for microfilming the output from a microcomputer screen is called
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Protocol is ....................
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