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

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

What is always in front of you but can’t be seen?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

How many sides does a circle have?

What is at the end of a rainbow?

Can you name four days which start with the letter 'T'?

What does this simple rebus mean?

There is something which is always coming but never arrives?

What work can one never finish?