Explanation

Hazrat Salman Al-Farsi suggests digging the trench at the time of the Battle of Khandaq

The Battle of Khandaq (Ahzab) was fought on 5 A. H (627).

10000 Munafiqeen were in Ghazwa-e-Khandaq

It was the 30-day-long fight of Yathrib by Arabian and Jewish tribes

Explanation

• Zaboor (Psalms) was revealed to Hazrat Dawood (AS).
• Zaboor was revealed in the Syriac language.
• Zaboor mainly contains praises of Allah, supplications, and guidance.

Additional information:

• Tawrat (Torah) → Hazrat Moosa (AS)
• Injeel (Gospel) → Hazrat Isa (AS)
• Holy Qur'an → Prophet Muhammad (ﷺ)

Last verified on 22-07-2026

Explanation

• The Battle of Karbala took place on Muharram 10 61 A.H (October 10, 680)
• In Karbala, present-day Iraq.
• It was fought between the army of the second Umayyad Caliph, Yazid I, and a small army led by Hussain ibn Ali (AS).
• The Umayyad Caliph Muawiyah I had nominated his son Yazid as his successor.

Last verified on 25-04-2026

Explanation

1. Al-Fuqara: The poor.
2. Al-Masakin: The needy.
3. Zakat administrators: Those appointed to collect/manage Zakat.
4. Mu’allafatul Qulub: Those whose hearts are to be reconciled.
5. Slaves/Captives: For freeing those in bondage.
6. Debt-ridden: Those unable to repay legitimate debts.
7. Fi Sabilillah: In the cause of Allah.
8. Wayfarers: Stranded travelers in need.

Explanation

• O⁻ (O Negative) is the universal donor blood group.
• It can be transfused to A, B, AB, and O blood groups.
• O⁻ blood lacks A, B, and Rh (D) antigens.

Additional information:

• Universal Recipient: AB⁺ (AB Positive)
• ABO Blood Groups: A, B, AB, O
• Rh Types: Positive (+) and Negative (−)
• Total Common Blood Groups: 8 (A⁺, A⁻, B⁺, B⁻, AB⁺, AB⁻, O⁺, O⁻)

Last verified on 14-07-2026

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

• The United States is the world's largest crude oil-producing country.

Additional information:

• United States – 18.60 million barrels/day (mb/d)
• Saudi Arabia – 11.01 mb/d
• Russia – 10.50 mb/d
• Canada – 5.29 mb/d
• Iraq – 4–5 mb/d

Last updated 25-07-2026 by NA

Explanation

• Ottawa is the capital city of Canada.
• Chosen as the capital in 1857 by Queen Victoria.

Additional information:

The Currency of Canada is the Canadian Dollar.

Official languages: English and French.

Located in the continent of North America.

Primary Religion is Christianity (but a secular country).

Parliament of Canada is called Parliament.

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 10-06-2026

Explanation

• The Tibetan Plateau is the highest and largest plateau on Earth.
• It is known as "the roof of the world".
• It's located in Southwest China.
• The height of the Plateau ranges is 16,000 feet.
• It is an example of an inter-mountainous Plateau (formed between mountains).

Additional information:

• Solfatara is the smallest plateau.
• This plateau is only 127.66 sq K or 79.15 sq mi (2).

Last verified on 26-05-2026

Explanation

• East: India 🇮🇳
• West: Afghanistan 🇦🇫 and Iran 🇮🇷
• North/Northeast: China 🇨🇳
• South: Arabian Sea 🌊

Last verified on 03-09-2026