Explanation

• Khewra Salt Mine is located in Khewra near Pind Dadan Khan, Jhelum District, Punjab.
• It is the largest and oldest salt mine in Pakistan.
• It is the second-largest in the world.

Additional information:

• It is also called the Mayo Salt Mine.
• The salt deposits were discovered during the campaign of Alexander the Great in 326 BC.
• The mine was officially opened in 1872 during the British period.

Last verified on 14-03-2026

Explanation

• Pakistan's second Constitution was enforced on 8 June 1962.
• It was introduced during the rule of Field Marshal Muhammad Ayub Khan.
• It introduced a presidential system instead of a parliamentary system.

Additional information:

• 23 March 1956 – First Constitution enforced.
• 14 August 1973 – Third (current) Constitution enforced.

Last verified on 07-07-2026

Explanation

• Hazrat Abu Bakr (R.A) entrusted the compilation of the Holy Quran to Hazrat Zaid bin Thabit (R.A).
• This decision was made after many Huffaz (memorizers of Quran) were martyred in the Battle of Yamama.
• Hazrat Umar (R.A) suggested compiling the Quran in written form for preservation.
• Hazrat Zaid bin Thabit (R.A) collected verses from written materials and memories of companions.
• This ensured the safe preservation of the Holy Quran in a single manuscript.

Last verified on 25-06-2026

Explanation

• The shortcut key to insert a new slide in a PowerPoint presentation is Ctrl + M.

Additional information:

• Ctrl + N shortcut key used to create a new presentation document.
• Ctrl + S shortcut key used to save a presentation.

Last verified on 29-05-2026

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

• The 1973 Constitution of Pakistan contains 280 articles.
• It is the current and permanent constitution of Pakistan.
• It came into effect on 14 August 1973.
• It was approved during the government of Zulfiqar Ali Bhutto.
• It provides the basic legal framework of the state.

Additional information:

• 1956 Constitution: 234 articles, 13 parts, 6 schedules
• 1962 Constitution: 250 articles, 12 parts, 3 schedules

Last verified on 11-06-2026

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

• The capital of Brazil is Brasília.
• Inaugurated: April 21, 1960
• Previous capitals: Rio de Janeiro (1763–1960) and Salvador (earlier colonial period)
• Largest city: São Paulo

Additional information:

• Currency: Brazilian Real (BRL)
• Official Language: Portuguese
• Continent: South America
• Major Religion: Christianity
• National Sport: Football (Soccer)
• Parliament: National Congress
• Independence Day: 7 September
• Independence Year: 1822

Last updated: 27 OCT 2026 

Explanation

• The first nuclear power plant was established in Karachi, 
• With the help of Canada 
• KANUPP is Pakistan's first nuclear power plant,
• Inaugurated on November 28, 1972,
• Total gross capacity of 137 MW.

Additional information

• K2 & K3 with the help of China 
  
• K2  started on 21 May 2021 and has an 1100 MW capacity.
• K3 is expected to start in 2022.

Last updated 18-07-2026 by NA

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