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

I don't get anymore wetter, no matter how much rain falls on me.

What is the Surname of Barbie Doll?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

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?

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

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months