Buy me, smell me or deliver me, I do not change.

Who am I?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

Can you place six X (crosses) in below board without making three in a row in any way ?

I add 5 to 9 and get 2. The answer is correct, so what am I?

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

A woman who works in a sweet shop has a measurement of 32-26-36, is 5"4" tall, and wears size "6" shoes. What do you think she weighs?

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

Replace the question mark with the correct number in the below-given picture?

In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?

What does this rebus riddle means ?