What happened when the wheel was invented?

Who can jump higher than a Mountain?

what does the below math rebus puzzle mean?

Which tank will fill first?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

I have branches, but no fruit, trunk or leaves. What am I?

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 the next number in this series?

4,12,84,3612....

Can you Find and name the hidden bird in the picture below ?