What is so fragile that saying its name breaks it?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?

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?

What do you get if you add 2 to 100 four times?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?