Brain Teasers User Profile

Khoi Nguyen

See full ranking list
short ranking list
168. Art Dexter Antipado 18
169. Ilan Amity 17
170. Khoi Nguyen 17
171. Taylor Hysmith 17
172. Saeed Haj 17
last 3 solved tasks
Tricky math! Can you solve this? If 11+11=4 and 12+12=9 Then 13+13=?
MATH PUZZLE: Can you replace the question mark with a number?
MATH PUZZLE: Can you replace the question mark with a number?

Friedrich Wilhelm August Argelander

Born 22 Mar 1799; died 17 Feb 1875 at age 75.German astronomer who established the study of variable stars as an independent branch of astronomy and is renowned for his great catalog listing the positions and brightness of 324,188 stars of the northern hemisphere above the ninth magnitude. He studied at the University of Königsberg, Prussia, where he was a pupil and later the successor of Friedrich Wilhelm Bessel. In 1837, Argelander published the first major investigation of the Sun's motion through space. In 1844 he began studies of variable stars.

Mom, what's sex?

A little boy returning home from his first day at school said to his mother, "Mom, what's sex?"

His mother, who believed in all the most modern educational theories, gave him a detailed explanation, covering all aspects of the tricky subject.

When she had finished, the little lad produced an enrollment form which he had brought home from school and said, "Yes, but how am I going to get all that into this one little square?"

Jokes of the day - Daily updated jokes. New jokes every day.
Follow Brain Teasers on social networks
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.