Explanation

• Key Keeper: Hazrat Usman bin Talha (RA)
• Family: Banu Abd al-Dar
• The Prophet (SAW) declared: The key was entrusted to his family permanently.
• This event took place after the Conquest of Makkah (8 AH / 630 AD).

Last updated: 13-09-2026

Explanation

• Khadijah bint Khuwaylid (RA) was the first woman to accept Islam.
• Known for: First wife of Muhammad
• Title: Ameerat-Quraysh al-Tahirah

Additional information:

• First adult man: Khadijah bint Khuwaylid (RA)
• First Child: Ali ibn Abi Talib (RA)
• First Freed Slave: Zayd ibn Harithah (RA)
• First Slave: Bilal ibn Rabah (RA)

Last updated: 13-09-2026

Explanation

• Injeel is the holy book revealed by Allah to Hazrat Isa (A.S).
• Meaning: “Good News”; also called Gospel (means Truth)
• It was revealed in Hebrew.

Additional information:

• Tawrat: Revealed to Hazrat Musa (A.S)
• Zabur: Revealed to Hazrat Dawud (A.S)
• Quran: Revealed to Prophet Muhammad (PBUH)

Last verified on 14-03-2026

Explanation

• Light Year is the distance that light can travel in one year.
• The distance light travels in one year is known as light year.
• 1 light year is equal to 9.5 x 10¹²km.

Last verified on 30-03-2026

Explanation

• Canberra is the capital city of Australia.

Additional information:
Currency is the Australian Dollar.

The official language is English.

The national game is Cricket.

Located in the continent of Oceania.

Primary Religion is Christianity (but a secular country).

Parliament is called the Federal Parliament.

Australia flag has three colours.

Tricks for Remember

DOLLAR

 Li-Ne-US-Ca-Fi-T-E-A

Mind trick: Li ne(a name) who lives in US likes Coffee(Ca- Fi) and Tea(T-E-A)

**Li-Ne**

Li-Liberia

Ne-New Zealand

**US**

United States

**Ca-Fi**

Ca-Canadian

Fi- Fizzi

**T-E-A**

T-Taiwan

E-Ethiopia

A-Australia

Must read

Capital of World Countries

Currency of World Countries

Last verified on 12-06-2026

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

• The headquarters of the International Court of Justice is in The Hague, Netherlands.
• ICJ is one of the six principal organs of the United Nations.
• It consists of 15 judges, elected for 9-year terms.

• Founded: 1945
• Official Languages: English, French
• Member States: UN member countries
• Main Function: Settling legal disputes between states

Explanation

• The preposition “Since” denotes point of time also reason.
• He has been working here since 2015.
• The preposition “For” denotes period of time.
• She has worked here for 7 years.

Last verified on 07-09-2026

Explanation

The first constitution of Pakistan was enforced on March 23, 1956

Additional information

List of the Constitution of Pakistan 1947 to date

First:   1956 Constitution

• Adoption Date: 23rd March 1956

• Prime Minister: Chaudhry Muhammad Ali

• President: Iskander Mirza

Second: 1962 Constitution

• Adoption Date: 8th June 1962

• Prime Minister: Muhammad Ayub Khan (also President at the time)

Third: 1973 Constitution

• Adoption Date: 12th April 1973

• Prime Minister: Zulfikar Ali Bhutto

• President: Fazal Ilahi Chaudhry

  
  

  Last updated by NA on 25-April-2026

Explanation

• The largest river in Pakistan is the Indus River.
• It is the National River of Pakistan.

Additional information:

• The Indus River starts in Tibet.
• It originates from the Mansarovar lake.
• They flow through India, Pakistan.
• It finally falls into the Arabian Sea near Karachi.
• They start making a delta near the city of Thatta.
• The old name of the Indus River was Sindhu.
• There are 6 Barrages constructed in the Indus River.
• The length of the Indus River is 3,180 km.
• The 2nd source of Indus River is Gar Tsangpo.
• The upper Indus Plain starts from Kalabagh.
• The upper Indus Plain ends at Mithankot.

Last verified on 10-07-2026