You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Solve this riddle by finding the odd one out from the rest.

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

10+10 and 11+11 can give you the same answer.

Explain how?