I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

What has many teeth, but cannot bite?

what does the below math rebus puzzle mean?

Identify the hidden meaning behind this picture?

What does below chemistry rebus means?

What number when divided in half becomes zero?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

What can jump higher than a building?