I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

John was piloting a plane behind a car but was never able to overtake it. Why?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

How can you make number one disappear by adding something to it?