Move four matchsticks to the below square to form three squares?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

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?

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

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

What is black when you buy it, red when you use it, and gray when you throw it away?

What's a single-digit number with no value?

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