What occurs twice in a week, once in a year but never in a day?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

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

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

A bomb exploded in a room full of married couples and no one died. How?

Can you spot the hidden girl in the picture below?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

To tease, King Akbar told his most clever advisor Birbal to give his daughter one thing that she can eat when hungry, drink if she feels thirsty and can burn if she feels cold. King Akbar was shocked when Birbal gave Akbar's daughter one such thing that satisfies all of the above.

What did Birbal give to Akbar's daughter?