Replace the question mark with the number below given a simple math problem.

what does this picture(rebus) riddle means ?

How can you make number one disappear by adding something to it?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

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

I don't get anymore wetter, no matter how much rain falls on me.

Can you name some countries which do not have the alphabet 'A' in them?