What is the riddle which can be asked all day with a different correct answer each time.

What number should come in place of the question mark below?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

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?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes