A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

What Does this text mean:

important=important

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

When 99 is considered higher than 100?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

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

What do you call a fish without an eye?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

Five teams were competing in cricket where they faced each other exactly once. After the tournament, the following is the point table.

DareDevils 6
SuperKings 5
Royals 4
Sunrisers 2
Riders ?

How many points did Riders end up with?