During which month do people sleep the least?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

A very interesting trivia question for all.

Why do men's shirts have their buttons on the right side and women's have buttons on the left-hand side?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Which wheel of car does not rotate when you turn your car right?

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?

Using eight eights and addition only, can you make 1000?

Why Aeroplane windows are round?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10