What will you call your mother's brother's brother-in-law?

What word is represented by this rebus?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

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

Which number comes next in the number series?

2, 9, 30, 93, ?

Where do fish keep their money?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?