Complete the following series. It.s very logical: 1, 4, 5, 6, 7, 9, 11, __?
You are in a room with no metal objects except for two iron rods. Only one of them is a magnet. How can you identify which one is a magnet?
Can you find out what is missing? 1 3 5 2 4 ? Hint: It's not six. Think out of the box.
Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.
A word I know, Six letters contain, Subtract just one, And twelve is what remains.
There are six people in a family namely M, N, O, P, Q and R. R and O are brother and sister. N is the brother of Q's husband. P is the father of M and grandfather of R. How many male members are in the family?
When is the top of a mountain similar to a savings account?
Can you solve this amazing hard number series problem? 7, 8, 10, 12, 16, 18 ?
Replace the 'X' with any mathematical symbol to make the expression equal to 111. 18 X 12 X 2 X 3 = 111
It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?
On a windy rainy night , I was driving in my car. When i reach the bus stand , i see three people waiting for the bus. 1. An old lady who needs an immediate medical attention 2. My Best Friend 3. Girl whom i love from childhood My car is a two seat, so can you tell me , what i have done in this situation ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
