If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

If 21x = 79x, what is the value of x?

You bought me for dinner but never eat me. What am I?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

I have an eye but still cannot see.

Who am I?

Find the smallest sentence with all the English alphabet.

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

How can you tell a raw egg from a hard-boiled egg?