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

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

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

In order to complete the racing competition, the Mexico racetrack has to submit its top and the most famous three horses to win the competition. Due to an electrical storm, all the records are cleared and no one knows which horse holds the record. They all look identical and it becomes even more difficult to differentiate the horses. There are 25 horses in the Mexico racetrack. But there can be only five horses at a time on the track. What will the least number of races that can be conducted to find out the three fastest horses?

Kareena is older than Katrina and younger than Karishma. Isabelle is younger than Bipasha and Karishma. Bipasha is older than Karishma. If Kareena and Isabelle are the same age, who's the youngest?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

I don't get anymore wetter, no matter how much rain falls on me.

What is the next number in this matchsticks series riddle?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?