How old is your son? asked a 50 year old man to his neighbour. Neighbour replied :- " My son is 5 times as old as my daughter and my wife is five times as old as my son. I am 2 times as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together".

How old is the neighbour's son?

Need a suitable answer with logic!

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.