Why do people go to bed?

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?

What number do you get when you multiply all of the numbers on a telephone's number pad?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

What do you think with the below Picture ?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

A family is trapped in a jungle. There is a bridge which can lead them to safety. But at one time, the bridge can only allow two people to pass through. Also, all of them are afraid of the dark and thus, they can't go alone.

Father takes 1 minute to cross, the mother takes 2 minutes, the son takes 4 and the daughter takes 5 minutes. While crossing the time taken will be according to the slower one. How can they all reach the other side in the minimum possible time?