Explanation

The density of air varies with height.

It is maximum near the surface of the earth and decreases as the height increases.

When we climb up a mountain,

the density of air decreases,

and thus the atmospheric pressure also decreases.

Explanation

• In Microsoft Windows, the graphical pattern on the desktop used as background for windows is Wallpaper
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• More commonly referred to as a desktop background in Windows, wallpaper is an image that is used as a backdrop on any graphical user interface that has a desktop

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  RY 16-01-2023

  
  

Explanation

• Ctrl + N is to open a new document in MS Word.
• Ctrl + M -- Indent the paragraph.
• Ctrl + B -- Bold highlighted selection.
• Ctrl + D -- Font options.
• Alt + F -- File menu options in the current program.
• Alt + E -- Edits options in the current program.

Explanation

Incredulous means ناقابل یقین

Unreliable means ناقابل اعتبار

Explanation

Pollination in plants enables fertilization.

During this process, pollen from the male part of the flower reaches the female part.

This leads to the production of seeds.

Explanation

• The operating system is also called the interface  between the user and the computer
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• The Operating System is the Interface between the user and the computer.
• It is called the Interface because it converts the commands the user gives to a language that the computer can understand (machine language) and vice versa.
• Multiple operating systems are available such as Windows, Mac OS, and Linux.
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• virus protection is not the function of the operating system
•  Real-time system operating system reads and reacts in actual time

Explanation

900 As it is the only even number among the other options .

Explanation

'Where is Rabia? She has gone to bed'.

رابعہ کہاں ہے؟ وہ بستر پر چلی گئی ہے۔

This indicates that Rabia has already gone to bed.

Explanation

• 11, 12, 17, 18, 23, 24, ... The number which comes next in the series is '29'.
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• Explanation

The primary numbers 11, 12, 17, 18, 23, 24 are

After skipping we get

11, 12, 17, 23, 29

The next number is 29

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• Another related Question for your preparation
• Complete the series 1,1,8,4,27,9______64
• Complete the series: 1,3,8,19,42, .................89
  

Explanation

The Arab conquest of Sindh by the Nephew of Hajjaj bin Yusuf (Muhammad bin Qasim) in 712 AD gave the Muslims a firm foothold on the sub-continent.