Explanation

A national census in Pakistan is legally mandated by the constitution to be held every 10 years

1. First 1951
2. Second 1961
3. Third 1972
4. Forth 1981
5. Fifth1998 
6. Sixth 2017
7. Seventh 2023

Explanation

• Carbon dioxide (CO₂) is used in fire extinguishers.
• It extinguishes fire by displacing oxygen and cooling the burning material.
• CO₂ fire extinguishers are especially effective for electrical and flammable liquid fires.
• Carbon dioxide is a colorless and non-flammable gas.
• It leaves no residue after use.

Explanation

• The Nisab (minimum limit) for gold is 7.5 tola (87.48 grams).
• The ratio/nisab of Zakat is 2.5%.
• Zakat was made obligatory in 2 A.H.
• It was fully implemented in 8 A.H.

Additional information:

• Silver Nisab: 52.5 tola = 612.36 grams
• The word “Zakat” occurs 32 times in the Holy Quran.
• Zakat means purification and growth of wealth.
• “Zakat is the treasure of Islam” is a famous saying of the Holy Prophet (PBUH).

Last verified on 11-05-2026

Explanation

• Surah Al-Baqarah is the longest chapter (surah) in the Holy Quran
• Chapter Number: 2nd chapter in the Quran.
• Meaning: "The Cow" or "The Heifer".
• Verse Count: 286 verses (ayat).
• Length: Spans about 2.5 parts (juz') of the Quran
• .Place of Revelation: Madinah. 
• It derives its name from the story of the cow (vv. 67-73).
• Verse 282, the longest verse, is known as 'āyatu d-dayn.
• It consists of 25,500 letters.
• The chapter has 40 Rukus.

Additional information:

• Surah Al-Kausar is the shortest surah of the Holy Quran.
• Surah Aal-e-Imran is the second-longest surah of the Holy Quran.

Last updated NA on 10-09-2026

Explanation

• The shortest chapter in the Quran is Surah Al-Kawthar
• Meaning: "The Abundance"
• Number of Verses: 3
• Placement: Chapter 108 in the 30th Juz (Para) of the Quran
• Location of Revelation: Makkah (Makki)

Additional information

• The second shortest surah in the Quran is Surah Al-Asr
• Surah Baqarah is the longest surah of the Holy Quran. (286 Verses). 

Last updated by NS on 5-09-2026

Explanation

• Choudhry Rahmat Ali coined the name "Pakistan"
•  He first used the name in his pamphlet titled "Now or Never; Are We to Live or Perish Forever?"
• On January 28, 1933.
• The word means "Land of the Pure" in Persian and Urdu (Pak means pure, and stan means land)
• He first thought of the name in 1932 while on a London bus,
• The name was also designed as an acronym for the Muslim-majority regions of northern British India
• Punjab
• Afghania (North-West Frontier Province)
• Kashmir
• Sindh
• Baluchistan 
  

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

• Inventor: Tim Berners-Lee
• Collaborator: Robert Cailliau
• Year of invention: 1989 August
• Organization: CERN (European physics lab, Switzerland)
• First website: 1991 (public release)
• WWWW stands for World-Wide Web Worm.

Last verified on 24-06-2026

Explanation

• The main reaction occurring in the Sun's core is nuclear fusion.
• In fusion, hydrogen nuclei combine to form helium, releasing a huge amount of energy.
• This energy is responsible for the Sun's light and heat.
• The Sun's primary fusion process is the proton–proton chain reaction.

Last verified on 01-09-2026

Explanation