How many triangles can you find in this given picture?
I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?
You bought me for dinner but never eat me. What am I?
Move four matchsticks to the below square to form three squares?
A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy. How can someone be so rude?
The following "Brain Bat" means Slow Down. S L O W Using the same logic, can you tell us what does the following Brain Bat means ? E V I G
Cristina was born in 1888. She just had her 30th birthday today how did that happen?
In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special. This date is special as: Date * Month = Year. Can you figure out which year of this century has a maximum number of such dates?
Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.
A number can be multiplied by multiple of nine i.e 9 18 27 36 45 ... and the resulting number consist of only one digit. Can you identify the number ?
What part of Turkey has the most feathers?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.