A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

You can see it everyday, But cannot touch it at will. What is it?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

What does a man do only once in his lifetime, but women do once a year after they are 29?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

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?

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

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Can you spot the man between the coffee bean in the picture below ?