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?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

How many letters are in the alphabet?

What can you see in the middle of March and April that you can never see in any other month?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

What Adam and Eve do not have but the rest of the people have?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.