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?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

Buy me, smell me or deliver me, I do not change.

Who am I?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

How is the moon similar to a dollar?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?

If your uncle’s sister is not your aunt, what relation is she to you?