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

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Can you solve the below rebus?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Forwards I am heavy, backward I am not. What am I?

How is a fly different from a mosquito?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

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’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.