No one wants to have it, but if one got it, he does not want to lose it. What is It?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

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

What is the riddle which can be asked all day with a different correct answer each time.

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

Can you solve the below tricky visual equation?