Can you count the number of matches in the picture below ?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

The dirtier I get, the whiter I look. Who am I?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

If six children and two dogs were under an umbrella, how come none of them got wet?

Which five letter word can be added at the end of below word to form a
valid word?

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Find out the missing number in the picture attached:

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?