What has 13 hearts but no other organs?

What always comes into a house through the keyhole?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

what does this below rebus represent identXQQQQQME

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

What is the next number in this matchsticks series riddle?

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

Who is that with a neck and no head, two arms and no hands? What is it?

Why do you find that most of the buildings are deprived of the 13th floor?