BRAIN TEASERS
The Most Difficult Tasks (page 184)

The Most Difficult Tasks (page 184)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1831 to 1840.
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Calculate the number 7055

NUMBERMANIA: Calculate the number 7055 using numbers [7, 3, 5, 5, 72, 670] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #numbermania
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Calculate the number 8173

NUMBERMANIA: Calculate the number 8173 using numbers [8, 5, 7, 4, 30, 620] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 406

NUMBERMANIA: Calculate the number 406 using numbers [8, 4, 9, 2, 32, 736] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania

The ABC's of Marriage

After being married for 25 years, a wife asked her husband to describe her.
He looked at her carefully, then said, 'You are A, B, C, D, E, F, G, H, I, J, K.'
'What does that mean?' she asked suspiciously.
He said, 'Adorable, Beautiful, Cute, Delightful, Elegant, Foxy, Gorgeous and Hot!'
She beamed at him happily and said: 'Oh, that's so lovely! But what about I, J and K?'
'I'm Just Kidding!'
(The swelling in his eye is going down and the doctors are fairly optimistic about saving his genitals).

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Calculate the number 2599

NUMBERMANIA: Calculate the number 2599 using numbers [2, 4, 5, 1, 83, 343] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (14, 17, 23, 25, 26, 28, 34, 61, 64, 70) 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: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (7, 10, 11, 12, 15, 16, 17, 59, 60, 61) 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: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Calculate the number 338

NUMBERMANIA: Calculate the number 338 using numbers [9, 4, 9, 6, 29, 100] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is NĂ­lton CorrĂȘa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 2258

NUMBERMANIA: Calculate the number 2258 using numbers [4, 3, 8, 8, 68, 578] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 4912

NUMBERMANIA: Calculate the number 4912 using numbers [7, 8, 6, 5, 97, 633] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 1838

NUMBERMANIA: Calculate the number 1838 using numbers [4, 6, 5, 2, 68, 223] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Pons Comet

In 1801, French astronomer Jean-Louis Pons (24 Sep 1761 - 14 Oct 1831) discovers his first comet. In his lifetime he discovered or co-discovered up to 37 comets. Since 1789, when he got a post at the Observatory at Marseilles as concierge, Pons quickly learned how to make observations with the instruments. He had a remarkable ability to remember the star fields he observed and to recognize changes. He logged his first discovery of a comet on 11 July 1801, which he had to share with Messier who found it a day later. Interestingly, as Pons' made his first comet discovery, that comet was Messier's last. Almost once every year, thereafter until 1827 when he eyesight declined, Pons found a new comet. Jean-Louis Pons set the record for visual discoveries of comets by an individual.
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