Which number should replace the question mark?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

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?

Can you solve the below tricky visual equation?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

What does the below rebus puzzle mean?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

Identify the next two numbers in this series.

101, 112, 131, 415, 161, 718, ???, ???

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Why do Chinese men eat more rice than Japanese men do ?