What is so fragile that saying its name breaks it?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Can you spot the man between the coffee bean in the picture below ?

what does the below math rebus puzzle mean?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Which five letter word can be added at the end of below word to form a
valid word?

> Pin
> Check
> Boiling
> View

How many times can you subtract the number 5 from 25?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Do you know who was buried in John's tomb?