Find the number of squares in the below-given picture.

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

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

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

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?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

What is the next number in this matchsticks series riddle?

Why do you find that most of the buildings are deprived of the 13th floor?