Question
A boat goes 50 km in upstream in 5 hours and takes 3
hours to complete a distance of 18 km in downstream. Find the speed of boat in still water.Solution
Speed of boat in still water = (D + U)/2 Upstream speed (U) = 50/5 = 10 km/hr Downstream speed (D) = 18/3 = 6 km/hr Speed of boat in still water = (10 + 6)/2 = 16/2 = 8 km/hr
Trackball is a...........
________________ is a communication technology used by some incoming mail servers.
…………….are used to identify a user who returns to a Website
The process of transferring files from a computer on the Internet to your computer is called
A _______ is a networking device that filters network traffic while connecting multiple computers or communicating devices.
Which of the following shortcut key save the open document in MS Word like ‘Ctrl + S’?
A set of possible data values is called
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.............. file format used for data compression and archiving
Which of the following refers to the temporary storage location used for cut, copy and paste?
