If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

What is the end of everything?

What four weights can be used to balance from 1 to 30 pounds?

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?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?