Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

O_er_t_o_

Complete the missing letters of the given word.

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

What is the coolest letter in the alphabet?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?