I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

Which Burger Is Different in below image?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

In the four images below, can you find the odd one out?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

If you say my name, I will no longer exist. What am I?

Replace the question mark with the correct number in the below-given picture?

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?

O_er_t_o_

Complete the missing letters of the given word.