Explanation

BRICS has 11 full member countries after the inclusion of Indonesia in 2025.

1. Brazil
2. Russia
3. India
4. China
5. South Africa
6. Egypt
7. Ethiopia
8. Iran
9. Saudi Arabia
10. United Arab Emirates (UAE)
11. Indonesia

Additional information:

• BRICS is a grouping of major emerging economies for economic and political cooperation.
• Founded: 2006 (first BRIC grouping)
• Headquarters: Shanghai, China (New Development Bank)
• First Summit Host: Russia (2009)
• South Africa joined: 2010

Last verified on 24-06-2026

Explanation

• The weight of a body on Earth is the gravitational force acting on it.
• Since the body already weighs 51 N on the surface of Earth, its weight on Earth remains 51 N.
• Formula: Weight = Mass × Gravity (W = mg).

Last verified on 24-06-2026

Explanation

• Microsoft Office is not an open source software.
• Because its source code is owned and controlled by Microsoft.
• Open source software allows users to view, modify, and distribute its source code.

Additional information:

Open source examples:

• Android
• Linux OS
• LibreOffice
• Mozilla Firefox
• Apache Web Server

Closed-source examples:

• Microsoft Windows
• Microsoft Office
• Adobe Photoshop

Last verified on 24-06-2026

Explanation

• Base (Radix): 2
• Digits used: 0, 1
• Used in: Computers, programming, digital circuits
• Each digit is called a bit (binary digit)
• Example: 1011₂

Last verified on 07-06-2026

Explanation

• Voter minimum age: 18 years
• Citizenship: Citizen of Pakistan required
• Electoral requirement: Name included in electoral roll
• Relevant law: Article 51/51A & Election laws of Pakistan

Additional information:

• MNA (National Assembly member): Minimum 25 years
• Senator: Minimum 30 years
• President of Pakistan: Minimum 45 years

Last verified on 24-06-2026

Explanation

• A break is a small part of a shift (work period).
• Similarly, a minute is a small part of an hour.
• So the relationship is part to whole analogy.

Last verified on 24-06-2026

Explanation

• Elon Musk is the owner/CEO of Tesla and SpaceX.
• Tesla (Electric cars, energy)
• SpaceX (Space exploration).

Additional information:

• X (Twitter)
• Neuralink (Brain-computer tech)
• The Boring Company (tunnels & transport)

Last verified on 24-06-2026

Explanation

• Name: Kiel Canal (Germany)
• Location: Germany
• Length: About 98 km
• Connects: North Sea ↔ Baltic Sea
• Traffic: ~25,000–30,000 ships per year

Last verified on 24-06-2026

Explanation

• With “has/have” (present perfect tense) we use the 3rd form of verb (past participle).
• So correct form is “has gone”.
• It shows an action completed in the past with relevance to the present.

Last verified on 24-06-2026

Explanation

3x² - 4√x + xy + √25x + 7x²  

1. Combine x²: 3x² + 7x² = 10x²  

2. √25x = √(25) × √x = 5√x  

3. Combine √x: -4√x + 5√x = +√x  

4. xy stays as is  

Result: 10x² + xy + √x

Last verified on 24-06-2026