Can you fill the blank with the correct number?

6 30 870 756030 _____

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Find the number of squares in the below picture

My location can be determined by the below rebus.
So where am i ?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

The more of this there is, the less you see. What is it?

The dirtier I get, the whiter I look. Who am I?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

Aaron, Brad, Christopher, Danny and Elvis decided to play a game of tiddlywinks. In this game they decided that one win will get 1 point for winning, 0 for losing and 1/2 in case of a tie.

They finished the game in alphabetical order and it was found that the scores were different for each person.

Based on the following two statements, can you find out the result of the individual games?
Brad: No one could finish like me, without a loss.
Elvis: No one played worse than me, I finished without a single win.