There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

If eleven plus two equals one, what does nine plus five equal?

Can you make a six-letter word using the letters N, A and B ?

What you cannot hold but it is yours?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

Why Wine Glass Stem is so long?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

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