I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Can you write down eight eights so that they add up to one thousand?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

I make two people out of one. What am I?

I’m tall when I’m young, and I’m short when I’m old. What am I?

What breaks yet never falls, and what falls yet never breaks?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?