BRAIN TEASERS
Math (page 62)

Math (page 62)

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 611 to 620.
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Calculate the number 9618

NUMBERMANIA: Calculate the number 9618 using numbers [2, 3, 8, 6, 99, 901] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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Find number abc

If 8c31c + 1a23b = aab4b find number abc. Multiple solutions may exist.
Correct answers: 0
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Calculate the number 2627

NUMBERMANIA: Calculate the number 2627 using numbers [8, 5, 3, 6, 10, 522] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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She doesn’t trust easily

She doesn’t trust easily- you can see that in the distance creates between herself and around her, but she has much love to offer, and you can see it in the kindness that’s in the smiles she gives out to everyone around her. She has millions of chaotic galaxies of thoughts, thousands of tangled up worlds of words and places in her mind, and you can see it in the way her eyes always seem lost, like they are somewhere else. She always wants to be somewhere else, it shows in the way she’s always rushing and moving, the way she’s always restless. Life never went easy on her, and she didn’t go easy on herself either. She is strong and you can see it in her eyes, you can sense it in her voice. She believes that her body can physically rebuild and heal itself. I think that’s because she knew how to recover by herself after life had broken her. She knows how it’s like to be under-appreciated. So if you can’t see the beauty in her quirks, if you don’t think that maybe she might be a little piece of magic, don’t you dare and say that she is just a girl; because she’s a . ~ Author Unknown
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (11, 15, 16, 18, 19, 20, 22, 57, 58, 60, 69) 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: 0
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Find number abc

If c3ba3 - 2cccc = a3bab find number abc. Multiple solutions may exist.
Correct answers: 0
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Calculate the number 627

NUMBERMANIA: Calculate the number 627 using numbers [3, 2, 3, 4, 94, 130] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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Find number abc

If 9c267 + caa2b = 1c3ba7 find number abc. Multiple solutions may exist.
Correct answers: 0
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Calculate the number 1576

NUMBERMANIA: Calculate the number 1576 using numbers [2, 9, 6, 4, 28, 142] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (4, 8, 9, 28, 32, 33, 42, 46, 47, 62, 98) 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: 0
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#brainteasers #math #magicsquare
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Find number abc

If 1587b + 7a7ab = bc628 find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Arago announces electromagnetism

In 1820, Francois Arago announced that a copper wire between the poles of a voltaic cell, could laterally attract iron filings to itself (Ann. de Chim. et de Physique., xv. p.93). His discovery came in the same year that Oersted discovered that an electric current flowing in a wire would deflect a neighbouring compass needle. Arago in the same publication described how he had successfully succeeded in causing permanent magnetism in steel needles laid at right angles to the copper wire. Arago and André-Marie Ampère, discussed and experimented with forming the copper wire into a helix to intensify the magnetizing action. However, it was not until 1825 that the electromagnet in its familiar form was invented by William Sturgeon.«
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