GK questions with explained answers
This is an editorial general-knowledge collection, separate from reported job-interview experiences. Each subject guide explains why an answer is correct and links to a primary source. Exam syllabi and current affairs can change; verify dated facts before using them.
Start with stable foundational facts. India civics is checked against official Indian sources, science against NASA, and ocean or UN facts against NOAA and the UN. No future exam coverage or score is promised. Facts that can change carry a review date.
Questions and direct answers
When did most of the Constitution of India come into force?
26 January 1950. Article 394 specifies that some listed provisions came into force at once, while the remaining provisions commenced on that date.
How many spokes does the Ashoka Chakra have?
Twenty-four, according to the Flag Code of India.
Source: Flag Code of India
How long does sunlight take to reach Earth?
About 8.3 minutes at the average Earth–Sun distance. This is a rounded light-travel time, not an exact value for every day.
Source: NASA solar-system basics
Which ocean basin is the largest?
The Pacific Ocean basin.
Source: NOAA ocean facts
How many UN Member States are there?
The UN lists 193 Member States as of the 2 October 2026 review. Check the UN page again before relying on this changeable figure.
Source: UN Member States
Read the focused guides
- India GK Questions: Constitution and National Flag Explained — Practise foundational India GK questions with concise answers, explanations and official sources for constitutional commencement and the national flag.
- Science GK Questions: Solar System and Light-Time — Answer science GK questions about the Sun, planets and light travel time with explanations grounded in NASA material.
- World GK Questions: Oceans and the United Nations — Practise world GK questions about ocean size, Earth’s water and UN membership with explanations and primary-source links.