What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

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 have Rs.50 and I spend it in the way as below.

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?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?