Explanation

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

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

• OIC (Organization of Islamic Cooperation)
  • Foundation Date: 25 September 1969
  • Headquarters: Jeddah, Saudi Arabia
  • Official Languages: Arabic, English, French
  • Total Members: 57 countries
  • First Summit: Rabat, Morocco
  • Significance: Largest international organization after the UN

 Last updated NA 12-04-2026

Explanation

• A simple microscope is used to magnify small objects.
• It works by bending light to produce a larger image.
• Only a converging lens can produce a magnified virtual image.
• A convex lens has this property.
• Therefore, simple microscopes use a convex lens.

Last verified on 12-04-2026

Explanation

Clandestine means خفیہ

• Secret means خفیہ
• Covert means خفیہ

Last verified on 12-04-2026

Explanation

• Solids → fastest sound speed
• Liquids → medium speed
• Gases → slowest speed

Steel is more elastic and dense.

• Steel ≈ 5000 m/s
• Air ≈ 332 m/s
• Water ≈ 1500 m/s

Last verified on 11-04-2026

Explanation

• The Indus Waters Treaty was signed on September 19, 1960, in Karachi.
• It was signed between Pakistan (President Ayub Khan) and India (Prime Minister Jawaharlal Nehru).
• It was brokered by the World Bank.

It became effective on April 1, 1960.

• Western Rivers (given to Pakistan): Indus, Jhelum, Chenab
• Eastern Rivers (given to India): Ravi, Beas, Sutlej

Last verified on 30-03-2026

Explanation

Last updated on 08-04-2026

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Explanation

Min Aung Hlaing is the current president of Myanmar since April 2026.

He succeeded Win Myint.

He is a retired army general.

Last updated on 08-04-2026

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Explanation

Syed Mehdi Shah Shah became the 8th Governor of Gilgit-Baltistan in 2022.

Previously, Raja Jalal Hussain Maqpoon was governor Gilgit-Baltistan.

Last Verified on 09-04-2026

Explanation

The headquarters of the United Nations is located in the United States, specifically in New York City

Founded: October 24, 1945, San Francisco, California, United States

UNO Membership: 193 member states; 2 observer states

UNO Official languages:

1. Arabic;
2. Chinese;
3. English;
4. French;
5. Russian;
6. Spanish;

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Pakistan joined the United Nations on September 30, 1947, just over a month after its independence