What number comes next in the series?

5 15 5 18 5 24 14 20 _

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

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

I have teeth but i don't bite. Who Am I ?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Imagine you are in a room with no windows or doors. How will you get out?

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

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

Why is the longest human nose just 11 inches?