You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

How can you tell a raw egg from a hard-boiled egg?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

What has 13 hearts but no other organs?

What goes up but never comes down?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?