Explanation

• To "die in harness" means to die while still actively working or serving in one's profession, rather than retiring
• دورانِ ملازمت یا فرض کی ادائیگی کے دوران وفات پانا

Explanation

• Pakistan joined the United Nations on September 30, 1947.

Additional information:

• The name was coined by US President Franklin D. Roosevelt.
• Headquarters is located in New York, United States.
• Founded on October 24, 1945.
• It currently has 193 member states and 2 observer states.
• The official languages of the UN are Arabic, Chinese, English, French, Russian, and Spanish.

1. 1952-1953
2. 1968-1969
3. 1976-1977
4. 1983-1984
5. 1993-1994
6. 2003-2004
7. 2012-2013
8. 2025-2026

Last verified on 09-03-2026

Explanation

• To highlight a column, Ctrl+Space is used.

Additional information:

• Shift + Space is used for row.
• Help in MS Excel: F1
• Display active cells in Excel: Shift+Backspace
• Current date in Excel: Ctrl+;
• GO TO tab in Ms. Excel: F5 
• Column highlight: CTRL + space
• SUM formula in MS Excel: ALT + =
• New worksheet in Excel: Shift + F11
• Format numbers in comma format: Shift+1

Last updated NA on 10-09-2026

Explanation

• Nitrous oxide, commonly known as laughing gas.
• It is a colorless, non-flammable gas used in medicine.
• Nitrous oxide (N₂O) causes temporary laughing and relaxation.

Additional information:

• Nitrous oxide was discovered by Joseph Priestley in 1772.

Last verified on 18-01-2026

Explanation

• Scent generally means a noticeable or pleasant smell.
• Stench means a very unpleasant or offensive smell.
• Scent means ایک قابل توجہ یا خوشگوار بو
• Stench means ایک بہت ہی ناگوار یا ناگوار بو

Last verified on 01-10-2026

Explanation

• .pptx → Default PowerPoint Presentation (2007 and later)
• ppt → PowerPoint Presentation (97–2003)

Additional information:

• .ppsx → PowerPoint Show (opens directly as a slideshow)
• .potx → PowerPoint Template
• .pptm → Macro-enabled Presentation

Last verified on 11-07-2026

Explanation

• F5 is used to start a Slide Show from the beginning in Microsoft PowerPoint.
• It displays the presentation in full-screen Slide Show view.

Additional information:

• Shift + F5 starts the slide show from the current slide.
• F4 repeats the last action in many Microsoft Office applications.
• F6 moves between different areas of the PowerPoint window.

Last verified on 09-08-2026

Explanation

• The common ostrich (Struthio camelus) is the biggest bird in the world.
• It is weighing up to 344 pounds (157 kilograms) and standing 9 feet tall.
• Female ostriches lay the largest eggs of any living bird.
  

• The world’s fastest bird is the peregrine falcon.
• The white bellbird is the world’s loudest bird.

Last verified on 01-07-2026

Explanation

• DOCX is the newer version of DOC, the original official Microsoft Word file format. 
• Microsoft Word 97 - 2003 Document extension (.doc).
• Microsoft Word 2007 to till date Document extension (.docx).

Additional information:

• .xls extension of Excel.
• .ppt extension of PowerPoint.
• .txt extension of Text files.
• .pdf extension of Portable Document Format.

Last verified on 15-02-2026

Explanation

• The shortcut key for Undo (last action reverse) is Ctrl + Z in most computer systems.
• It is used to cancel the last mistake or action.

Additional information:

• Ctrl + P = Print
• Ctrl + Y = Redo
• Ctrl + S = Save
• Ctrl + C = Copy command
• Ctrl + V = Paste
• Ctrl + C = Copy
• Ctrl + X = Cut
• Ctrl + Y = Redo

Last verified on 10-06-2026