Which is the correct shadow of the bird?

How many times can you subtract the number 5 from 25?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

What month of the year has 28 days?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

During which month do people sleep the least?

Which point will the car reach to go out?

What you cannot hold but it is yours?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?