The peacock is a bird that does not lay eggs. How do they get baby peacocks?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

If eleven plus two equals one, what does nine plus five equal?

What has hands, but can’t clap?

What does a man do only once in his lifetime, but women do once a year after they are 29?

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?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

Replace The Question Mark Below With the Correct Number.

2 {38} 3
4 {1524} 5
6 {3548} 7
8 {????} 9

Which country gets ill every time?

What is harder to catch the faster you run?