You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

A sundial has the fewest moving parts of any timepiece. Which has the most?

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

A father's child, a mother's child, yet no one's son.

Who am I?

Find the next number in the series below

21 32 54 87 131 ?

What number should come in place of the question mark below?

Solve the mathematical equation in the picture below.

How many bananas can you eat if your stomach is empty?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?