Let's Count the Triangles

How many triangles are there on the puzzle below?

Let




Similar Math Riddles

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

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I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

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If nine thousand, nine hundred nine dollars is written as $9,909,
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Solve the mathematical equation in the picture below.

Math Equation Picture

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In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

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Quickly Solve this riddle

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Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

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Replace the (?) with the correct mathematical signs to make the expression equal to 59.

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A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

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Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.