What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

Find the next number in the series.
1 10 24 43 67 ?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Replace the question mark with the correct number in below Picture:

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?