Explanation

LED stands for Light Emitting Diode

It is a semiconductor device that emits light when current flows through it.

LED lighting products produce light up to 90%.

Invented:

H. J. Round (1907);

Oleg Losev (1927);

James R. Biard (1961);

Nick Holonyak (1962)

First production: October 1962

Explanation

• Observed on: 10 December
  • UDHR adopted: 10 December 1948
  • Organization: United Nations (UN)

Last verified on 16-01-2026

Explanation

• Purpose of AI: Protection of Human Rights
• Founded: 1961
• Founder: Peter Benenson
• Headquarters: London, United Kingdom
• Type: Non-governmental organization (NGO)
• Nobel Peace Prize 1977: "for worldwide respect for human rights."

Last verified on 16-01-2026

Explanation

• Author: Ayesha Jalal
  • Publication Date: 18 April 1985
  • Topic: Muslim League, Pakistan movement, and leadership politics
  • Language: English

Explanation

There are 17 Sustainable Development Goals (SDGs).

Established by the United Nations in 2015.

Additional information:

1. No Poverty
2. Zero Hunger
3. Good Health and Well-being
4. Quality Education
5. Gender Equality
6. Clean Water and Sanitation
7. Affordable and Clean Energy
8. Decent Work and Economic Growth
9. Industry, Innovation, and Infrastructure
10. Reduced Inequalities
11. Sustainable Cities and Communities
12. Responsible Consumption and Production
13. Climate Action
14. Life Below Water
15. Life on Land
16. Peace, Justice, and Strong Institutions
17. Partnerships for the Goals

Last verified on 16-01-2026

Explanation

Charles Babbage is known as the Father of the Computer.

He was an inventor from the UK.

Additional information:

• He was born in 1791.
• He was died in 1871.

Last verified on 16-01-2026

Explanation

A+B = 60

B+C = 64

C+A = 68

Add 'em up:

2(A+B+C) = 192

A+B+C = 96

C = (A+B+C) - (A+B)

= 96 - 60

= 36

Last verified on 16-01-2026

Explanation

URL: Uniform Resource Locator.

URL consists of five parts:

1. Scheme
2. Subdomain
3. Top-level domain
4. Second-level domain
5. Subdirectory

Last verified on 16-01-2026

Explanation

14 Muslims were killed in the Battle of Badr.

All important questions and information related to battle of Badr

• Badr means in Arabic: Full moon
• Furqan, the second name of the battle of Badr
• Abu Jehal was the leader of the kufars in the Battle of Badar.
• 70 infidels were killed in Ghazwa Badr
• It is also referred to as The Day of the Criterion.
• No of the Kufars:  1000
• Mentioned in Surat Al-Anfal 
• 1000 angels participated in the Battle of Badr

Total: Muslim 313-317

Muhajirun: 82-85

Ansar: 231

Aws: 61

Khazraj: 170

2 horses

70 camels

**

Explanation

Tahrir Square is located in Cairo.

It is also known as "Martyr Square", in english known as Liberation Square,

Former name: Ismailia Square

History

It was first established in 1867.

The square has been the location and focus for political demonstrations.

The 1919 Egyptian revolution, and the 2011 Egyptian revolution occurred partially at the Tahrir Square.