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Time taken by A alone to complete the entire work = 15/0.5 = 30 days Time taken by B alone to complete the entire work = 30 + 10 = 40 days Let the total work = L.C.M of 30, 40 and 20 = 120 units Then, efficiency of B = (120/40) = 3 units/day Combined efficiency of B and C = (120/20) = 6 units/day So, efficiency of C alone = 6 – 3 = 3 units/day So, time taken by C alone to complete the entire work = (120/3) = 40 days
These are program designed as to seem to being or be doing one thing, but actually being or doing another.
The process to divide the disc into tracks and sectors is ____________.
System software is the set of programs that enables your computer’s hardware devices and ____________ software to work together.
Who first developed QWERTY keyboard used in computers and phones?
Which network protocol is used for remote terminal connections to a server?
Which type of memory is non-volatile and used to store firmware?
A collection of related programs is known as:
____ cannot be used to work in MS Office.
Android Operating system is an example of which kind of Source Model?
The first generation computers had __________.
