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

Can you name an animal whose killing cannot be performed without spilling your own blood?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

What does it mean?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

Trying to tease Birbal, Akbar gave him one gold coin and ask him to buy
* something for him to eat
* something for him to drink.
* something to feed the cows
* something to plant in the garden
and most important you need to buy only one thing.

What must Birbal buy to silence Akbar?

Count the number of balls in picture below:

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?