Explanation

• Elon Musk is the owner/CEO of Tesla and SpaceX.
• Tesla (Electric cars, energy)
• SpaceX (Space exploration).

Additional information:

• X (Twitter)
• Neuralink (Brain-computer tech)
• The Boring Company (tunnels & transport)

Last verified on 24-06-2026

Explanation

• The Taj Mahal was built by the Mughal emperor Shah Jahan
• In memory of his beloved wife, Mumtaz Mahal.
•  Located in the city of Agra 
• State: Uttar Pradesh
• River: Yamuna River
• Construction Started: 1632
• Construction Completed: 1647
• Height: Approximately 73 meters
• Architecture: Ustad Ahmad Lahori
• Material: Mainly white marble

Explanation

• Ctrl + S = To save a document.

Additional information:

• Ctrl + X → Cut (remove selected text)
• Ctrl + R → Align text to the right
• Ctrl + E → Center align text
• Ctrl + J → Justify paragraph
• Ctrl + L → Align text to the left
• Ctrl + Q → Remove paragraph formatting (reset to default left alignment)

Last verified on 10-06-2026

Explanation

• World War II: Global war, 1939–1945.
• Little Boy: Dropped on Hiroshima, 6 August 1945.
• Fat Man: Dropped on Nagasaki, 9 August 1945, 11:01 AM.
  

Additional information:

• World War I: Global war in Europe, 28 July 1914 – 11 November 1918.

Last verified on 17-05-2026

Explanation

• The Gobi Desert is a vast, arid region in northern China and southern Mongolia.
• Area of the Gobi Desert: 1.295 million km²
• Elevation of the Gobi Desert: 1,580 m
• Length of the Gobi Desert: 1,500 km (930 mi)
• Region of the Gobi Desert: Inner Mongolia

Last verified on 04-10-2026

Explanation

• Comets are small celestial bodies mainly composed of ice, dust, and rocky material.
• They travel around the Sun in highly elliptical or elongated orbits.
• Halley’s Comet, which returns approximately every 76 years.

Additional information:

• Asteroids: Mainly rocky or metallic bodies.
• Meteoroids: Small pieces of rock or metal moving through space.

Last verified on 05-10-2026

Explanation

• The current Secretary-General of the United Nations is António Guterres from Portugal.
• He began his first term on January 1, 2017.
• He is currently serving his second term.

Last verified on 07-10-2026

Explanation

• Smog is a combination of smoke and fog.
• The word smog is formed from smoke + fog.
• It is a type of air pollution that reduces visibility and can harm human health.
• Smog is commonly associated with vehicle emissions and industrial pollutants.

Last verified on 06-10-2026

Explanation

• The Quran describes mountains as “pegs” (أَوْتَادًا).
• Surah An-Naba (78:7): “And the mountains as pegs.”
• The verse highlights the distinctive structure and role of mountains in the Earth.
• Surah An-Nahl (16:15) also mentions mountains being placed in the earth so that it would not shake with you.

Last verified on 06-10-2026

Explanation

• A Client Operating System is designed for personal computers and end users.
• It is used for daily tasks like browsing, gaming, and office work.
• Windows 10 is a popular client OS by Microsoft.
• It runs on desktops and laptops.

Last verified on 26-05-2026