What’s right in front of you but you can’t see it?

(The future)

What goes up but never goes down?

(Your age)

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

(A secret)

What can you catch but cannot throw?

(A cold)

What has words but never speaks?

(A book)

What has 13 hearts, but no other organs?

(A deck of cards)

I am an odd number. Take away a letter and I become even. What number am I?

(Seven)

Mary has four daughters, and each of her daughters has a brother. How many children does Mary have?

(Five—each daughter has the same brother)

Two fathers and two sons are in a car, yet there are only three people in the car. How?

(There are a Grandfather,father, and a son)

A man describes his daughters, saying, “They are all blonde, but two; all brunette but two; and all redheaded but two.” How many daughters does he have?

(three: A blonde, a brunette and a redhead)

What can fill a room but takes up no space?

(A light)