what difference in? Taarak Mehta puzzle // puzzles and riddles with answers | BitBat puzzle #shorts

"Monkey's puzzle" is a common name for

Determine the missing value in the puzzle below :

Consider the 3 -puzzle problem shown in figure.

The farthest objects in out universe discovered by modern astronomeres are so distant that light emitted by them takes billions of year to reach the earth. These object (known as quasers) have may puzzling features, which have yet not been satisfactorily explained. What is the distance in km of a quasar form which light takes 3.0 billion years to reach us?