BRAIN TEASERS
Math

Math

These are fun math riddles. All of these tricky riddles are based on real math concepts and can be solved with purely math and logic. These are the tasks listed 1 to 10.
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Calculate the number 623

NUMBERMANIA: Calculate the number 623 using numbers [1, 2, 1, 5, 24, 338] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (7, 8, 10, 11, 15, 16, 69, 72, 77) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A*B*C.
Correct answers: 9
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #magicsquare
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Find number abc

If 98514 - 419c9 = 5a5b5 find number abc. Multiple solutions may exist.
Correct answers: 21
The first user who solved this task is Thinh Ddh.
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#brainteasers #math

Negligee

A young woman was preparing for her wedding. She asked her mother to go out and buy a nice long black negligee and carefully place it in her suitcase so it would not wrinkle. Well, Mom forgot until the last minute. So she dashed out and could only find a short pink nighty. She bought it and threw it into the suitcase.
After the wedding the bride and groom enter their hotel room. The groom was a little self-conscious so he asked his new bride to change in the bathroom and promise not to peek while he got ready for bed. While she was in the bathroom, the bride opened her suitcase and saw the negligee her mother had thrown in there. She exclaimed, "Oh no! It's short, pink, and wrinkled!"
Then her groom cried out, "I told you not to peek!"  

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Calculate the number 1346

NUMBERMANIA: Calculate the number 1346 using numbers [6, 6, 3, 1, 91, 185] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania
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Find number abc

If ac85a + ba4c0 = 14a34a find number abc. Multiple solutions may exist.
Correct answers: 22
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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Calculate the number 372

NUMBERMANIA: Calculate the number 372 using numbers [4, 6, 9, 3, 52, 315] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 14
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (15, 17, 18, 20, 23, 25, 27, 34, 54, 57, 64) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A+B+C.
Correct answers: 15
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #magicsquare
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 81
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #riddles
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Find number abc

If b14c3 - 243c9 = ca094 find number abc. Multiple solutions may exist.
Correct answers: 15
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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How many squares you can find?

How many squares you can find?
Correct answers: 33
The first user who solved this task is H Tav.
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#brainteasers #math #riddles
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Find the first and the last name of a famous person. Text may go in all 8 directions. Length of words in solution: 4,6.
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1. Djordje Timotijevic
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2. Sanja Šabović
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5. H Tav
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6. Jakubovski Vladimir
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Tay Road Bridge opened

In 1966, the Tay Road Bridge designed by William Fairhurst was opened by the Queen Mother. This finally replaced ferry service for vehicles across the Tay estuary on the east coast of Scotland, although the present rail bridge had been in use since 1887. The 42-span road bridge is one of the longest in Europe, 1.4 miles (2250-m) long, 32-ft (10-m) above water level, and links Newport in north-east Fife to Dundee. Tolls are collected on the southbound route are used for maintenance costs. Construction began on the £6 million project in 1962. Willie Logan, director of the construction company and five other workers died while the bridge was being built, and are commemorated by a 51-ft (15.5-m) tall obelisk at the Fife end.«
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