I have branches, but no fruit, trunk or leaves. What am I?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Can you solve the below tricky visual equation?

The dirtier I get, the whiter I look. Who am I?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

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

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?