By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Decode below rebus
D
N
A
T
S , D

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Look at the picture and find out which square is not linked with any of the other squares.

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

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

What makes this number unique: 8,549,176,320?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?