BRAIN TEASERS
Math (page 84)

Math (page 84)

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 831 to 840.
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Find number abc

If 3915c + 1abaa = 511cb find number abc. Multiple solutions may exist.
Correct answers: 2
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Calculate the number 2229

NUMBERMANIA: Calculate the number 2229 using numbers [3, 8, 3, 9, 93, 294] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
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Find number abc

If b36cb + 405ca = aa4a48 find number abc. Multiple solutions may exist.
Correct answers: 4
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#brainteasers #math

Swear words

If you don't know any cool swear words, ask someone from an Ah – Frickin' country.
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Calculate the number 2193

NUMBERMANIA: Calculate the number 2193 using numbers [1, 4, 6, 2, 92, 403] 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, 3, 5, 6, 11, 14, 36, 65, 66, 70, 74, 78) 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: 3
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#brainteasers #math #magicsquare
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Find number abc

If 4cb6a - c7880 = 608a find number abc. Multiple solutions may exist.
Correct answers: 6
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#brainteasers #math
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Calculate the number 6549

NUMBERMANIA: Calculate the number 6549 using numbers [5, 7, 7, 6, 32, 945] 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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Find number abc

If abc3b + b82c2 = b0a783 find number abc. Multiple solutions may exist.
Correct answers: 1
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#brainteasers #math
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Calculate the number 1300

NUMBERMANIA: Calculate the number 1300 using numbers [7, 4, 3, 1, 14, 129] 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 (10, 12, 16, 25, 29, 31, 35, 51, 68, 70, 74) 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
CHECK ANSWER
#brainteasers #math #magicsquare
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Gunpowder mill

In 1639, the first record of the establishment of a gunpowder mill in the American colonies was an order from the General Court of Massachusetts granting 500 acres of land at Pecoit, Mass. Edward Rawson received the grant, “so as he goes on with the powder if the saltpeter comes.” Since Jamestown was settled (1607) and the Pilgrims landed at Plymouth (1620), firearms and gunpowder were brought from England—an uncertain supply. When the colonialists turned to producing gunpowder for themselves, the General Court encouraged homespun production efforts, especially for the saltpeter ingredient. The first gunpowder mill of importance was established in 1675 at Milton, Mass., on the Neponset River.«
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