Rearrange the letters in "new door" to make one word.

What number divided by 4 is the same as that number minus 4?

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

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

What does the below mathematical rebus mean?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

A man plots the murder of his wife. His plan is full proof. Nobody saw them leaving their house. He stabbed her with a knife while driving. She died on the spot. He threw her body in a valley. He threw the knife carefully wiping his finger prints on a random garbage bin. Then he went back to his home and no one was watching him this time as well.

After an hour, he was called by the local police department who informed him that his wife was murdered. They asked him to reach the scene of crime immediately. But as soon as he arrived at the crime scene, he was arrested by them.

How did the police know that he himself is the murderer?

Find the number of squares in the below picture

I am white when I am dirty, and black when I am clean. What am I?