How many times do a clock's hands overlap in a day ?

What has many keys but can’t open a single lock?

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

Which is heavier: a ton of bricks or a ton of feathers?