When we see 2 but call 10?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

I am white when I am dirty, and black when I am clean. What am I?

Can you count the number of lines in the below picture?

Why blonde cannot dial 911?

Why do people go to bed?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

Bay of Bengal is in which state?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain