There is something which you can be arrested for attempting but not for successfully completing.

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

How many times can you subtract the number two from the number fifty?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Who always enjoys poor health?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?