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

There is a place where if I stand up straight, I will still be considered sideways.

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

Who am I?

Find the number of squares in the below picture

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Can you decipher the below rebus?

PBLUESAISNUERSES

How can you leave a room with two legs and return with six legs?

What is the relationship between these matchstick pictures below?