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

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

The more you take me, the more you leave me behind.
Who Am I?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

What have one eye but still cannot see?

A sundial has the fewest moving parts of any timepiece. Which has the most?