BRAIN TEASERS

Monthly Archive - July 2025 (page 4)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 31 to 40.

Register with your Google Account and start collecting points.

Check your ranking on list.

Which is a winning combination of digits?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.

Correct answers: 1

CHECK ANSWER

#brainteasers #mastermind

Follow Brain Teasers on social networks

Top 10 Users (1174)

1.	H Tav	5861
2.	c. raj.	5777
3.	Nasrin 24 T	5731
4.	Fazil Hashim	5718
5.	Thinh Ddh	5557
6.	Alfa Omega	4681
7.	Djordje Timotijevic	4549
8.	Mita Kojd	4525
9.	Jakubovski Vladimir	4443
10.	Chandu Rajyaguru	4419

See full ranking list

Sir Joseph Norman Lockyer

Born 17 May 1836; died 16 Aug 1920 at age 84. English astronomer who in 1868 discovered and named the element helium that he found in the Sun's atmosphere before it had been detected on Earth. He also applied the name chromosphere for the sun's outer layer. Lockyer discovered, together with Pierre J. Janssen, the prominences (red flames) that surround the solar disk. He was also interested in the classification of stellar spectra and developed the meteoric hypothesis of stellar evolution. His works include the books Contributions to Solar Physics (1873), The Sun's Place in Nature (1897) and Inorganic Evolution (1900).

This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.