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?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

In the picture given below, can you find out which digit will take place of the question mark?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

How many triangles can you find in this given picture?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?