Puzzles & Riddles
1. Can you Convert the Travelling Direction of this Fish by changing Matchsticks?

Answer is : Click here
Answer is : Click here
10 Magic Square Puzzles
A magic square is a grid of numbers where the sums of numbers in each row, column, and diagonal are equal.
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3x3 Magic Square (Sum = 15)
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4x4 Magic Square (Sum = 34)
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5x5 Magic Square (Sum = 65)
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6x6 Magic Square (Sum = 111)
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7x7 Magic Square (Sum = 175)
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8x8 Magic Square (Sum = 260)
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9x9 Magic Square (Sum = 369)
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Lo Shu Square (3x3 Ancient Chinese Magic Square)
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Dürer's Magic Square (4x4)
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Sagrada Família Magic Square (4x4)
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10 Mathematical Riddles
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Riddle: I am a three-digit number. My tens digit is five more than my ones digit. My hundreds digit is eight less than my tens digit. What number am I?
Answer: 194 -
Riddle: A bat and a ball cost $1.10 in total. The bat costs $1 more than the ball. How much does the ball cost?
Answer: $0.05 -
Riddle: If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?
Answer: 5 minutes -
Riddle: Mary's father has five daughters: Nana, Nene, Nini, Nono. What is the fifth daughter's name?
Answer: Mary -
Riddle: What comes once in a minute, twice in a moment, but never in a thousand years?
Answer: The letter 'M' -
Riddle: A farmer has 17 sheep, and all but 9 run away. How many are left?
Answer: 9 -
Riddle: If you have only one match and enter a dark room containing an oil lamp, some kindling wood, and a newspaper, which do you light first?
Answer: The match -
Riddle: A man is looking at a photograph of someone. His friend asks who it is. The man replies, "Brothers and sisters, I have none. But that man's father is my father's son." Who is in the photograph?
Answer: His son -
Riddle: How can you add eight 8's to get the number 1,000?
Answer: 888 + 88 + 8 + 8 + 8 = 1,000 -
Riddle: If two's company and three's a crowd, what are four and five?
Answer: Nine
10 Brain Teasers
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Teaser: What has keys but can't open locks?
Answer: A piano -
Teaser: What can travel around the world while staying in the same corner?
Answer: A stamp -
Teaser: What gets wetter the more it dries?
Answer: A towel -
Teaser: What has hands but can't clap?
Answer: A clock -
Teaser: What has a head and a tail but no body?
Answer: A coin -
Teaser: What comes down but never goes up?
Answer: Rain -
Teaser: I speak without a mouth and hear without ears. I have nobody, but I come alive with the wind. What am I?
Answer: An echo -
Teaser: The more you take, the more you leave behind. What are they?
Answer: Footsteps -
Teaser: What begins with T, finishes with T, and has T in it?
Answer: A teapot -
Teaser: What has an eye but cannot see?
Answer: A needle
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