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.

Last updated 08 Oct 2026 by NA

Explanation

2 + 3 = 5

5 + 7 = 12

12 + 11 = 23

23 + 15 = 38

38 + 19 = 57

57 + 23 = 80

Last verified on 31-03-2026

Explanation

• The SI unit of force is the newton (N).
• 1 N = the force needed to accelerate 1 kg of mass by 1 m/s²
• Derived unit: N = kg·m/s²
• Named after Sir Isaac Newton
• Based on F = ma (Newton's second law)

Additional information:

1. The metre, unit of length — symbol m
2. The kilogram, unit of mass — symbol kg
3. The second, unit of time — symbol s

Last verified on 09-11-2026

Explanation

• The instrument used to measure temperature is called a thermometer.
• A thermometer shows how hot or cold an object or place is.

Additional information:

• Barometer measures air pressure.
• Hygrometer measures humidity (moisture in air).

Last verified on 16-06-2026

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 updated 08 Nov 2026 by NA

Explanation

• Sahihayn (صحیحین): Meaning: The Two Sahih Books (دو صحیح کتابیں)
• - Sahih al-Bukhari: Compiled by Imam Muhammad al-Bukhari (RA), 
• - Sahih Muslim: Compiled by Imam Muslim ibn al-Hajjaj (RA)
• - Status: The two most authoritative Hadith collections in Sunni Islam.

Last updated 08 Nov 2026 by NA

Explanation

• Ijma Literally, 'consensus' or 'agreement'.
• It is regarded as a binding, infallible authority in Sunni jurisprudence.

1. Ijma al-ummah - a whole community consensus.
2. Ijma al-aimmah - a consensus by religious authorities.

Last updated 08 Nov 2026 by NA

Explanation

• The process of starting an operating system when a user turns on a computer is called booting.
• Booting is a startup sequence that powers up the system and loads the operating system. 
• The booting process involves the following steps: 
• Power on
• The Power-On Self-Test
• Find and load the OS
• Drivers and system configuration
• User login and authentication

Last updated 08 Nov 2026 by NA

Explanation

• The cell was first coined by an English scientist Robert Hooke in the year 1665.
• Later the cell theory was given by Matthias Schleiden and Theodor Schwann.

Last verified on 08-11-2026

Explanation

• Sindh: Karachi

Additional information:

1. Punjab: Lahore
2. Khyber Pakhtunkhwa: Peshawar
3. Balochistan: Quetta
4. Gilgit-Baltistan (region): Gilgit
5. Azad Jammu and Kashmir (region): Muzaffarabad

Last verified on 08-11-2026