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

Solve the rebus riddle in the picture below.

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Can you write down eight eights so that they add up to one thousand?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

I am an odd number. Take away a letter and I become even. What number am I?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?