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8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of water is 16 : 65. How much wine did the cask hold originally?

Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?

A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will he take to go 5km in stationery water?

The processes of starting or restarting a computer system by loading instructions from a secondary storage device into the completer memory is called:

together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in-----------?

IBM launched its first personal computer called IBM-PC in 1981. It has chips from Intel, disk drives from Tendon, operating system from Microsoft, the printer from Epson and the application software from everywhere. Can you name the country which contributed the video display?

Who is credited with the idea of using punch cards to control patterns of a weaving machine?

A boat running downstream covers 24 km‟s in 4 hours while for covering the same distance upstream it takes 6 hours whats the speed of the boat in still water?

Which of the following code used in present day computing was developed by IBM Corporation?

If X and Y complete a certain work in 10 days, Y and Z in 16 days and X and Z in 22 days, find the time required for each one to complete the work while working separately.

In 1830, Charles Babbage designed a machine called analytical engine, which he showed at the parts exhibition. In which year was it exhibited?

Two pipes P and Q can fill a cistern in 12 minutes and 16 minutes respectively. Simultaneously both the pipes are opened together, then after how much time Q should be closed so that the tank is full in 9 min ?

Machine P can print one lakh books in 8 hours. Machine Q can print the same number of books in 10 hours while machine R can print the same in 12 hours. All the machines started printing at 9 A.M. Machine P is stopped at 11 A.M. and the remaining two machines complete work. Approximately at what time will the printing of one lakh books be
completed?

2 men and 12 women can finish a job in 4 days. 4 men and 6 women can do the same job in 5 days. Find the time taken by 1 man and 1 woman to complete the job.

Microprocessors as switching devices are for which generation computers:

A numerical value calculated from sample is called------------?

Mansoor-Ul-Haque and Aaqib are working on a special assignment. Mansoor-Ul-Haque needs 6 hours to type 32 pages on a computer and Aaqib needs 5 hours to type 40 pages. If both of them work together on two different computers, how much time is needed to type an assignment of 110 pages?

A,B,C, can do a work in 8,14,16 days respectively. A does the work for the first 2 days. B continues from it and finishes 2/3rd of the remaining work. C finishes the remaining work. How many days would have taken to complete the work?

P and Q can do a work in 30 days. Q and R can do the same work in 24 days and R and P in 20 days. They started the work together, but Q and R left after 10 days. How many days more will P take to finish the work?

Second Generations computers were developed during: