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?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

What word is represented by this rebus?

Find the smallest sentence with all the English alphabet.

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?