You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Which is the rope you never skip with?

What do you get if you add 2 to 100 four times?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

What can you hold in your right hand, but never in your left hand?

Can you find out the number that should replace the question mark with a valid reason?

What four weights can be used to balance from 1 to 30 pounds?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.