In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

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?

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

The Little ant seems to be always confused. Do you know why?

Can you spot the man between the coffee bean in the picture below ?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Why is it very easy to weigh a fish?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?