What is at the end of a rainbow?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

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

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

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

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I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

What English word has three consecutive double letters?