You need to move three matchsticks to form three squares. Can you do it?

What does below Rebus mean ?

esgg sgeg gegs gsge

Find out the missing number in the picture attached:

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

What is more useful when it is broken?

What can you see in the middle of March and April that you can never see in any other month?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?