Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

What has many teeth, but cannot bite?

How can you make number one disappear by adding something to it?

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

Count the number of triangles in the picture below:

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Find out the number of circles in the given picture having Illusion

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?