What you cannot hold but it is yours?

Replace the question mark with the correct number below.

Why is 6 afraid of 7?

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?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?

What has 88 keys?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

what's the probability of getting a king or a queen from a pack of 52 cards?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?