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?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

Which fur should we be getting from the Lion?

What number divided by 4 is the same as that number minus 4?

Make a sentence consisting of three words that have the whole alphabet.

No matter how little or how much you use me, you change me every month. What am I?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

What is the word or phrase?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.