One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

What word begins and ends with an E, but has only one letter?

If eleven plus two equals one, what does nine plus five equal?

What has many keys but can’t open a single lock?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

If an electric train is travelling south, then which way is the smoke going?

Why 1729 is a magic number? Answer Logically.

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

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?