If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

The more you take me, the more you leave me behind.
Who Am I?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Can you decipher the below rebus?

PBLUESAISNUERSES

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?

Christina makes tasty toast in a small pan. After toasting one side of a slice, she turns it over. Each side takes 30 seconds. The pan can only hold two slices.
How can she toast both sides of three slices in 1 & 1/2 instead of 2 minutes?

You can hear me, but you can't touch or see me.

What am I?