There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

I travel all around the world but always stay in the corner. What am I?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

What does a man do only once in his lifetime, but women do once a year after they are 29?

A time long back, there lived a king who ruled the great kingdom of Trojan House. As a part of the renovation of the kingdom to meet future security needs, he asked his chief architect to lay down a new play in a manner that all of his 10 castles are connected through five straight walls and each wall must connect four castles together. He also asked the architect that at least one of his castles should be protected with walls. The architect could not come up with any solution that served all of King's choices, but he suggested the best plan that you can see in the picture below. Can you find a better solution to serve the king's demand?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

How many times can you subtract the number 5 from 25?

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

Which is the smallest number that you can write using all the vowels exactly once?