What is so fragile that saying its name breaks it?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

What does this Rebus Picture means ?

What is the difference between a jeweller and a jailer?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

Steffi's daughter Jazelle needs to be picked up from school every day.
Steffi asks one of her colleagues to pick up Jazelle from the school. Steffi devised a password system to confirm that Jazelle goes with the correct colleague only.

The password on Monday was SJM16.
The password on Wednesday was TAW39.

What will the password be for Friday?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What does this mathematical rebus means ?

Count the number of triangles in the given picture.