A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

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

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

How could a baby fall out of a twenty-story building onto the ground and live?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

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?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?