What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

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

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

When does a USA Potato change its nationality?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

Can you find the six hidden animals in the picture below?