In the image below, can you find the value of an angle(y)

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Can you find the hidden animal in the picture below?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

What you cannot hold but it is yours?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?