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

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice 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 man's son ?

What Time Should the last watch show in the below figure?

Look at the picture and find out which square is not linked with any of the other squares.

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Why do we preferably have round manhole covers and not square ones?

why number 8549176320 is one of a kind?

Next Number in the Series,

5, 16, 49, 104, ?