Move four matchsticks to the below square to form three squares?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

Can you make a fire with just a single stick?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

What Time Should the last watch show in the below figure?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?