Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

How can you write nineteen in a manner that if we take out one, it becomes twenty?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Where do fish keep their money?

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.

Whats the next number in the below number sequence pattern.

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?