BRAIN TEASERS
Math (page 104)

Math (page 104)

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 1031 to 1040.
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Calculate the number 489

NUMBERMANIA: Calculate the number 489 using numbers [9, 9, 4, 5, 97, 992] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 4
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#brainteasers #math #numbermania
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Find number abc

If 7b2c3 - ac210 = 1a083 find number abc. Multiple solutions may exist.
Correct answers: 2
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#brainteasers #math
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Calculate the number 1612

NUMBERMANIA: Calculate the number 1612 using numbers [4, 9, 9, 8, 89, 169] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 4
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#brainteasers #math #numbermania

Pray Before Eating

Everyone was seated around the table as the food was being served. When little Logan received his plate, he started eating right away.
"Logan, wait until we say our prayer," his mother reminded him.
"I don't have to," the little boy replied.
"Of course you do," his mother insisted, "we say a prayer before eating at our house."
"That's at our house," Logan explained, "but this is Grandma's house and she knows how to cook."

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MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (3, 4, 6, 14, 17, 18, 20, 21, 22, 24) 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: 2
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#brainteasers #math #magicsquare
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Find number abc

If 649c2 - 5b95c = ba0b5 find number abc. Multiple solutions may exist.
Correct answers: 4
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#brainteasers #math
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Calculate the number 3077

NUMBERMANIA: Calculate the number 3077 using numbers [9, 1, 2, 5, 92, 607] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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#brainteasers #math #numbermania
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Find number abc

If 5b64c - 2b64a = 2aaaa find number abc. Multiple solutions may exist.
Correct answers: 6
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#brainteasers #math
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Calculate the number 1651

NUMBERMANIA: Calculate the number 1651 using numbers [6, 2, 7, 4, 31, 649] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
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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 (2, 23, 27, 31, 33, 35, 41, 64, 69, 73, 77, 79) 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: 1
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#brainteasers #math #magicsquare
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Find number abc

If c1213 + 38bcc = aaaba find number abc. Multiple solutions may exist.
Correct answers: 3
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#brainteasers #math
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Louis Laurent Gabriel de Mortillet

Died 25 Sep 1898 at age 77 (born 29 Aug 1821).French anthropologist who was the first to organize man's prehistoric cultural developments into a sequence of epochs. Based on the idea that older specimens of man were more primitive structurally and culturally, he created a ladder-like model of the evolution of man. This model was the basis for the idea of linear evolution of men. This classification system was further detailed in 1882, in Le Prehistorique: antiquite de l'homme (The Prehistoric: Man's Antiquity). His classification system continued to be the basis for anthropological classification into the 1900's. For example, he ordered the Paleolithic (Stone Age) epochs into Chellean, Acheulian, Mousterian, Solutrean, Magdalenian, and so on.
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