What is so fragile that saying its name breaks it?

Whats the next number in the below number sequence pattern.

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

Can you find out the total number of triangles in the given figure?

Can you replace the question mark with the correct number in the below table sequence?

There is something which you can be arrested for attempting but not for successfully completing.

Can you solve the below rebus?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Spot 5 differences in two Christmas tree below:

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

3 6 12

4 8 16

5 10 ?