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?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

What part of Turkey has the most feathers?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?