Explanation

• The old name of Madinah (Medina) was Yathrib
• (Mentioned as Yasrab in Quran, Chapter 33 (Al-Aḥzāb).
• Renamed Madīnat an-Nabī (“City of the Prophet”)
• After Prophet Muhammad SAW’s migration in 622 CE
• Located in the Hejaz region, Saudi Arabia.

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Last updated by NA on 25-April-2026

Explanation

• Habsha is the historic name for Ethiopia.
• It is located in the Horn of Africa.
• The Migration to Abyssinia, also known as the First Hegira.

Last verified on 19-03-2026

Explanation

• Faisalabad is called Manchester of Pakistan.
• Because it's the biggest textile city in Pakistan.
• It is formerly known as Lyallpur.
• It is the third-largest city in Pakistan.
• It is the second largest city in the Province of Punjab.
• It is famous for its textile mills.

Last verified on 16-03-2026

Explanation

An isosceles triangle is a triangle with two sides of equal length.

If all three sides are equal, it is called an equilateral triangle.

A scalene triangle has all sides of different lengths, and a right triangle has one right angle (90 degrees).

Last verified on 15-03-2026

Explanation

• Sublimation is the direct transition of a solid into a gas without passing through the liquid phase.

Additional information:

Some common sublimating substances:

• Dry ice (CO₂) – solid → gas
• Iodine crystals – solid → violet gas
• Camphor – solid → vapor
• Naphthalene (mothballs) – solid → gas
• Ammonium chloride – solid → gas

Last verified on 13-03-2026

Explanation

tan 45° = 1

cot 45° = 1

tan² 45° + cot² 45°

= 1² + 1²

= 1 + 1

= 2

Last verified on 19-03-2026

Explanation

• Justice Ayesha Malik became the first female judge of the Supreme Court of Pakistan.
• She was sworn in on 24 January 2022 by Chief Justice Gulzar Ahmed.
• Previously, she served at Lahore High Court (March 2012 – Jan 2022).

Additional information:

• Appointed by: President Arif Alvi
• Tenure: Until June 2031
• Supreme Court judges total: 17
• Retirement age: Supreme Court – 65, High Court – 62

Last verified on 18-03-2026

Explanation

• A light year is the distance that light travels in one year.
• It is used to measure vast distances in space.
• Light moves at approximately 299,792 km per second.
• One light year ≈ 9.46 trillion kilometers (5.88 trillion miles).

Last verified on 17-03-2026

Explanation

• Transparency International is based/headquarters in Berlin Germany.
• It is a German registered association.
• Founders: Peter Eigen, Olusegun Obasanjo
• Founded: May 4, 1993

Last verified on 17-03-2026

Explanation

• A lactometer is used to measure the purity and density (thickness) of milk.
• It checks if milk has been adulterated with water by measuring specific gravity.
• Works on the principle of buoyancy.
• Pure milk specific gravity: 1.028–1.032 at 15°C

Last verified on 16-03-2026