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

In the image below, can you find the value of an angle(y)

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?

What does it mean?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What am I?

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