what's the probability of getting a king or a queen from a pack of 52 cards?

Can you move 2 matchsticks to form four equal sized squares.

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

Which point will the car reach to go out?

What is at the end of a rainbow?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

What goes through cities and fields, but never moves?

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?

What has 88 keys?