Can you find the missing piece of the Porsche?

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

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?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Find the value of "?" in the ball picture Riddle below:

Can you name some countries which do not have the alphabet 'A' in them?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____