Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

What goes through cities and fields, but never moves?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

People put me on the table and cut me but do not eat me. What am I?

Replace the question mark with the number below given a simple math problem.

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?

Our product and our sum always give the same answer. Who are we?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

Complete the table series riddle by finding the number that can replace "??".