Name a key which is hardest to turn.

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

One evening there was a murder in the home of a married couple, their son and daughter. One of these four people murdered one of the others. One of the members of the family witnessed the crime.

The other one helped the murderer.

These are the things we know for sure:

1. The witness and the one who helped the murderer were not of the same sex.

2. The oldest person and the witness were not of the same sex.

3. The youngest person and the victim were not of the same sex.

4. The one who helped the murderer was older than the victim.

5. The father was the oldest member of the family.

6. The murderer was not the youngest member of the family.

Who was the murderer?

Can you find the thief by just looking at the picture below?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

My location can be determined by the below rebus.
So where am i ?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

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