Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Can you count the number of quadrilaterals in the picture below?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What can you see in the middle of March and April that you can never see in any other month?

Which tank will fill first?

What is the end of everything?

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

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

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 _