Question
What is the primary function of the "Operating
System"?Solution
The operating system manages hardware, processes commands, ensures security, and runs software applications.
A pipe can fill a tank in 14 hours, and B pipe can drain a tank in 21 hours. If a system of N pipes (fill pipes and drain pipes put together) can...
30 workers working 8 hours daily can finish a job in 20 days. Find the time needed by 20 workers working 12 hours daily to finish the same job.
P does one fourth as much work as Q in two third of the time. If together they take 24 days to complete the work, how much time shall Q take to do it?
Working alone, 'C' can complete a job in 30 days. 'D' takes 20% less time than 'C' to finish the same job. Calculate the percentage of work done by 'C' ...
A can complete a job in 15 days; B in 20 days. They work together for 5 days. What fraction remains?
40 men can complete a piece of work in 40 days. ‘x’ men started the work and after 30 days 64 more men joined them so that whole work was finished i...
A, B and C can complete a work in 10, 20 and 15 days respectively. A left the work 3 days before the work was completed and B left 1 days after A had le...
'Sita' can complete some work alone in 20 days. 'Geeta' is twice as efficient as 'Reeta' and three times as efficient as 'Sita'. If 'Sita' and 'Reeta' s...
If 24 persons can finish 50% of work in 12 days in how many days 48 person can finish the complete work?
- Pooja can finish a task by herself in 12 days, while when working together, Manju and Pooja can complete the same task in 6 days. Manju starts the work alo...
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