Replace the question mark with the correct number.

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Find the value of "?" in the ball picture Riddle below:

Can it be possible to build a house that has all its four walls facing towards the South?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

What can jump higher than a building?

Solve the following series:
AZ, GT, MN, __, YB

If an electric train is travelling south, then which way is the smoke going?

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?