Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

You can see it everyday, But cannot touch it at will. What is it?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

What do you see in the image below

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

What 5-letter word typed in all capital letters can be read the same upside down?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?