There was a kingdom in which the king had no heir to take over his thrown. Even the queen was dead and he himself was on the verge of dying. He thought about it and then summoned all of the teenagers. He gave one seed each to all of them and asked them to grow the plant. He announced that the one with the most beautiful plant will become the king/queen of the empire after the death of the king.

After a month, all of them were called. The king looked at all of the plants but announced the girl with an empty pot as the queen of the empire. Why?

Detective Rockford was jogging near the beach at 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard the sound of gunfire. Rockford rushes to the shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

What can go up a chimney down, but can’t go down a chimney up?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

What four weights can be used to balance from 1 to 30 pounds?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?