What is the riddle which can be asked all day with a different correct answer each time.

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

What building has the most stories?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

No one wants to have it, but if one got it, he does not want to lose it. What is It?

There is a basket full of hats. Three are white and two are black. Three men, Tom, Tim, and Jim, each take a hat out of the basket and put it on their heads without seeing the hat they selected or the hats the other men selected. The men arrange themselves so Tom can see Tim and Jim’s hats, Tim can see Jim’s hat, and Jim can’t see anyone’s hat. Tom is asked what color his hat is and he says he doesn’t know. Tim is asked the same question, and he also doesn’t know. Finally, Jim is asked the question, and he does know. What colour is his hat?

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

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

What does this rebus mean?

O
N
C
E
TIME

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?