Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Which tank will fill first?

Can you guess the name of the month by looking the below rebus ?

There is a place where if I stand up straight, I will still be considered sideways.

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

Move four matchsticks to the below square to form three squares?