What is so fragile that saying its name breaks it?

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

What has to be broken before you can use it?

When is the top of a mountain similar to a savings account?

Can you find the key in the picture below?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Can you count the number of squares in the given picture?

I cannot talk, but I always reply when spoken to. What am I?

On 26-01-2022, Juli was murdered at her house in a city in India in the afternoon. There were three suspects in the murder and the following are the statements that were given by them:

John: I visited my village that day.
Jacob: I was out to deposit my house tax in the municipality office at that time.
Jonny: I was at a friend's place having lunch at that time.

Can you find out who is the murderer?