If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

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

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

A man comes across a coin that is dated 226 B.C. Can you calculate its worth?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?