What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

How many words can a pen with half refill write?

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

Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

What time is it when an elephant sits on a fence?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?