Why is the Hole below a Lock?

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?

Identify The phrase in the picture.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Can you find out who is the kidnapper in below Picture and why, Explain ?

What does this rebus puzzle means ?

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