Squares in Chess Board

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?

Squares in Chess Board




Similar Riddles

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Asked by Neha on 27 Aug 2021


Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

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A cat, a dog and a monkey were stolen. 3 suspects got caught: Harish, Manoj and Tarun. All we know is each person stole one animal, but we do not know who stole which. Here are the investigation statements. Harish said: Tarun stole the cat. Manoj said: Tarun stole the dog. Tarun said: They both were lying. I did not steal the cat or the dog. Later on, the police found out the man who stole the monkey told a lie. The man who stole the cat told the truth. Can you find out who stole which?

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You see me once in June, twice in November, and not at all in May. What am I?

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I have an eye but still cannot see.

Who am I?

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John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

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What can you hold in your right hand, but never in your left hand?

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What is the end of everything?

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If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

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Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Arrange The Marbles Puzzle

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In the 1920s, people feared that crossword puzzles would contribute to illiteracy.