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?

Can you find a five letter word that is left with only two letters if one is removed?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

What Does this text mean:

important=important

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

How can you make number one disappear by adding something to it?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?