Explanation

• The Battle of Badr is the first battle of Islam
• On 17 Ramadan, 2 AH (March 13, 624 CE)
• "Badr" means "full moon" in Arabic.
• Also called Furqan and The Day of the Criterion.
• Took place in the valley of Badr, located in the Hejazi region
• Muslims: Approx. 313 men (82 Muhajirun and 231 Ansar).
• Quraysh: Approx. 1000 soldiers led by Abu Jahl.
• 82-85 Muhajirun and 231 Ansar (61 from Aws and 170 from Khazraj).
• 2 horses and 70 camels.
• Fourteen Muslims were killed, while 70 Kufar were killed and 70 captured.

Last updated question by NA 22-April-2026

Explanation

• Nitrogen (N₂) → 78%

Additional information:

• Oxygen (O₂) → 21%
• Argon (Ar) → 0.93%
• Carbon dioxide (CO₂) → 0.04% (approximately)
• Other gases → Trace amounts

Last verified on 28-06-2026

Explanation

• A Barometer is an instrument used to measure air (atmospheric) pressure.
• It helps in weather forecasting by measuring changes in atmospheric pressure.
• The mercury barometer is the oldest type of barometer.
• It was invented by Evangelista Torricelli in 1643.
• Barometers are widely used in meteorology and aviation.

Last verified on 09-07-2026

Explanation

• Sir James Chadwick discovered the neutron in 1932.
• He was a British physicist.
• His discovery completed the basic picture of the atomic nucleus.
• He received the Nobel Prize in Physics in 1935 for this discovery.

Additional information:

• J. J. Thomson – Electron (1897)
• Ernest Rutherford – Atomic nucleus (1911) and Proton (1917)

Last verified on 03-07-2026

Explanation

• Founded: 1-July-1948
• Headquarters: Karachi, Sindh
• Founded by: Muhammad Ali Jinnah
• First Governor: Zahid Hussain
• First Female Governor: Shamshad Akhtar
• SBP Responsibility: Implement monetary policy

Last verified on 13-09-2026

Explanation

• Other name: Peace Pipeline
• Countries: Iran and Pakistan
• Purpose: Transportation of natural gas
• Proposed length: 2,775 km
• Pakistan President at inauguration ceremony: Asif Ali Zardari
• Iranian President: Mahmoud Ahmadinejad
• Inauguration: 11 March 2013

Last verified on 04-09-2026

Explanation

• Location: Khewra, Jhelum, Punjab, Pakistan
• Other Name: Mayo Salt Mine
• Status: Pakistan’s largest and oldest salt mine
• World Ranking: Second-largest salt mine
• Discovery: Traditionally attributed to Alexander the Great’s army (326 BC)
• Modern Mining: Developed during British rule; systematic mining began in 1872

Explanation

NOTE: Length: Old – 1,046 km, New – 1,058 km (both accepted in MCQs)

• Divisions: Sindh Coast – 270 km, Makran Coast – 720 km
• Major Location: Most of the coastline is in Balochistan
• Geographical Areas: Gwadar, Lasbela, Karachi, Thatta Coast
• Borders: Thatta Coast from Korangi Creek to Sir Creek; Rann of Kutch from Badin to Tharparkar

Last verified on 15-01-2026

Explanation

• The Theory of Relativity was proposed by Albert Einstein.
• It was introduced in the early 20th century.
• It includes Special Relativity (1905) and General Relativity (1915).
• The theory explains the relationship between space, time, and gravity.

Last verified on 02-04-2026

Explanation

• Jihad (Qital Fi Sabilillah) becomes obligatory in 2 AH
• In Islam, jihad by the sword is superior to all Jihad.
• To Strive Hard is the literal meaning of Jihad
• 41 times the word jihad appears in the Quran
• Syed Ahmad Shaheed started the Jihad movement

Last update 0n 21-07-2026 by NA