If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

why number 8549176320 is one of a kind?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

What word is pronounced the same if you take away four of its five letters?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

In the image below, can you find the value of an angle(y)

What is the Surname of Barbie Doll?

I have feet, but no legs. Which animal Am I?

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.

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?