What does below rebus means ?

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

What is the word or phrase?

Which part of London exists in France as well ?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

A couple went on a climbing trip. But only the husband returned from the vacation and said that his wife slipped off while climbing and died. On investigating, the local sheriff arrested him saying, 'Your travel agent called. You murdered your wife.'

The man did not inform anyone about the trip. Then how was the agent so sure that it was a murder?

What is the end of everything?

Replace the question mark with the correct number.

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Forwards I am heavy, backward I am not. What am I?