Explanation

• The Indus Waters Treaty was signed on September 19, 1960, in Karachi.
• It was signed between Pakistan (President Ayub Khan) and India (Prime Minister Jawaharlal Nehru).
• It was brokered by the World Bank.

It became effective on April 1, 1960.

• Western Rivers (given to Pakistan): Indus, Jhelum, Chenab
• Eastern Rivers (given to India): Ravi, Beas, Sutlej

Last verified on 30-03-2026

Explanation

• Year of Hijrah: 622 CE
• From: Makkah
• To: Madinah
• Reason: Persecution of Muslims by Quraysh
• Islamic Calendar Started: 1 AH (Anno Hegirae)

Additional information:

• Prophet Muhammad stayed in the Cave of Thawr during the migration journey.
• Hazrat Abu Bakr (RA) accompanied the Prophet ﷺ during Hijrah.

Last verified on 10-05-2026

Explanation

• The correct formula to add values in Excel is =SUM(A1:A2).
• The SUM function adds numbers from the selected cell range.
• Excel formulas always begin with the =` (equal) sign.
• A1:A2 means all cells from A1 to A2.

Last verified on 14-07-2026

Explanation

• Hazrat Ali ibn Abi Talib (RA) was awarded the title "The Lion of Allah (Asadullah / Sher-e-Khuda)."
• "Asadullah" means "The Lion of Allah".

Additional information:

• He was the cousin and son-in-law of Prophet Muhammad (ﷺ).
• He belonged to the Quraysh tribe and the Banu Hashim family in Makkah.
• He was the fourth Rightly Guided Caliph, ruling from 656–661 AD.
• He was also known by the title Abu Turab.

Last verified on 22-07-2026

Explanation

The currency of Japan is the yen.

Japan is an island country in East Asia.

Japan is situated in the northwest Pacific Ocean.

The capital of Japan is Tokyo.

The largest city in Japan is Tokyo.

Japan is a part of the Ring of Fire.

The official language is Japanese.

Japan is the eleventh most populous country in the world.

Japan is located on the continent of Asia.

Japan's primary religions are Buddhism and Shinto, but it is a secular country.

Japan's parliament is called the Diet.

Last verified on 17-03-2026

Explanation

• Rs. 10: Khyber Pass
• Rs. 5000: Faisal Mosque
• Rs. 10: Khyber Pass
• Rs. 100: Quaid-e-Azam Residency
• Rs. 500: Badshahi Mosque
• Rs. 1000: Islamia College Peshawar

Additional information:

• Pakistani currency notes feature important national landmarks on the back side.
• The State Bank of Pakistan issued first banknotes on 1 October 1948.
• Printed by: Thomas De La Rue & Company (UK)

Last updated 08 Nov 2026 by NA

Explanation

• The value 332 m/s is measured under standard atmospheric conditions.

Additional information:

• Speed of sound in air at 20°C ≈ 343 m/s.
• Speed of sound is faster in solids than liquids and gases.

Examples:

• Air: ~332 m/s (0°C)
• Water: ~1,480 m/s
• Steel: ~5,100 m/s

Last verified on 21-07-2026

Explanation

• A bit (binary digit) is the smallest unit of data in a computer.
• It can have a value of 0 or 1, representing two possible states.

Additional information:

• 1 Byte = 8 bits
• 1 Kilobyte (KB) = 1024 Bytes
• 1 Megabyte (MB) = 1024 KB
• 1 Gigabyte (GB) = 1024 MB
• 1 Terabyte (TB) = 1024 GB

Last verified on 12-03-2026

Explanation

• First Airline: Orient Airways
• Established: 29 October 1946
• Initial Headquarters: Calcutta (Kolkata), British India
• Shifted to Pakistan: 1947 (Karachi)
• Renamed as: Pakistan International Airlines (PIA) – 1955

Last verified on 21-07-2026

Explanation

• Japan is known as the "Land of the Rising Sun."
• In Japanese, Nihon (日本) or Nippon means "Origin of the Sun" or "Sun's Origin."
• The name reflects Japan's location east of China, where the sun appears to rise.
• Japan is an island country in East Asia.
• It is located in the northwestern Pacific Ocean.

Additional information:

• Capital: Tokyo
• Currency: Japanese Yen (JPY)
• Official Language: Japanese
• Continent: Asia
• Parliament: The National Diet (Diet)
• National Animal: Japanese Macaque (Snow Monkey)

Last verified on 09-07-2026