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?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

Can you count the number of triangles in the picture below?

What is always in front of you but can’t be seen?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

If eleven plus two equals one, what does nine plus five equal?

The dirtier I get, the whiter I look. Who am I?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

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?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?