I’m tall when I’m young, and I’m short when I’m old. What am I?

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

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?

Can you divide the below-given shape into four equal and identical pieces?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

Find the last number in the series below:

voN luJ yaM raM ---

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

Can you solve the maths in the below-given picture equation?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?