Explanation

• United Nations (UNO) recognizes six official working languages.

Additional information:

• Official Languages: Arabic, Chinese, English, French, Russian, Spanish
• Founded: 24 October 1945
• Headquarters: New York, USA
• Purpose: Promote international peace, security, and cooperation
• Members: 193 countries

Last verified on 15-01-2026

Explanation

To find the average, we need to first convert each fraction to a decimal:

 5/6 = 0.83

 4/3 = 1.33

 3/4 = 0.75

Then, add the decimals and divide by the number of values:

 0.83 + 1.33 + 0.75 = 2.91

 2.91 ÷ 3 = 0.97

Now, convert the average back to a fraction:

 0.97 ≈ 35/36

Last verified on 01-07-2026

Explanation

• The magnitude of an earthquake is measured by the Richter scale.
• It measures the energy released by an earthquake.
• The Richter scale was developed in 1935 by Charles F. Richter.
• It is used in seismology (the study of earthquakes).

Last verified on 30-06-2026

Explanation

🔹 1 BTU = 1055.06 Joules (approx.)

🔹 1 BTU = 252 calories (approx.)

🔹 1 Joule = 0.0009478 BTU

🔹 1 kWh = 3412 BTU, linking electrical energy to heat energy.

🔹 Commonly used in heating/cooling systems

🔹 Named after the British engineers who developed early thermal measurements

Last verified on 30-06-2026

Explanation

• Helvetia is the ancient Latin name for Switzerland.
• The name comes from the Helvetii, a Celtic tribe that lived in the region before Roman rule.
• Switzerland is a landlocked mountainous country in South-Central Europe.
• The name Helvetia is still used on Swiss coins and stamps.

Additional information:

• Capital: Bern
• Currency: Swiss Franc (CHF)
• Official Languages: German, French, Italian, Romansh
• Continent: Europe
• Government: Federal Republic

Last verified on 30-06-2026

Explanation

• Niagara Falls are situated between the United States and Canada.
• They are located on the border between New York State (USA) and Ontario Province (Canada).
• Continent: North America
• Height: Approximately 51 meters (167 feet)

Number of Waterfalls: 3

1. Horseshoe Falls
2. American Falls
3. Bridal Veil Falls

Last verified on 16-06-2026

Explanation

• Date of invasion: 24 December 1979
• Afghan President (at invasion): Hafizullah Amin
• New President installed: Babrak Karmal
• War duration: 1979–1989
• Invading country: Soviet Union (USSR)

Last verified on 18-01-2026

Explanation

Taiwan's Capital is Taipei.

Taiwan Currency is New Taiwan Dollar.

Taiwan, officially the Republic of China.

It was formerly known as Formosa.

Taiwan's official language is Mandarin.

Taiwan located is in the Continent of Asia.

Taiwan's Primary Religion is the Polytheistic ancient Chinese religion, Buddhism.

Taiwan's Head of Govt. is Prime Minister– Su Tseng-chang.

Taiwan Parliament called Yuan.

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

Last verified on 16-06-2026

Explanation

• The area between the Jhelum and Chenab rivers is called Chaj Doab.
• The word Doab means the land between two rivers.

Chenab River:

• Originates from the Himalayan region of Himachal Pradesh, India.
• Enters Pakistan through Jammu and Kashmir.

Jhelum River:

• Originates from Verinag Spring, Jammu and Kashmir.
• Joins the Chenab River at Trimmu, Pakistan.

1. Bari Doab – Between Beas and Ravi
2. Bist Jalandhar Doab – Between Beas and Sutlej
3. Rachna Doab – Between Ravi and Chenab
4. Chaj Doab – Between Chenab and Jhelum
5. Sind Sagar Doab – Between Indus and Jhelum

Last verified on 25-06-2026

Explanation

• Lord Curzon was the Viceroy of India when the Partition of Bengal was announced in 1905.
• The decision divided Bengal into Eastern Bengal and Assam and Bengal Province.
• It faced strong opposition from the Indian National Congress and many Hindu groups.

Additional information:

• Partition announced: 20 July 1905
• Implemented: 16 October 1905
• Revoked: December 1911
• Announced by: King George V at Delhi Durbar

Last verified on 24-06-2026