BRAIN TEASERS
Math (page 44)

Math (page 44)

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 431 to 440.
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Calculate the number 5278

NUMBERMANIA: Calculate the number 5278 using numbers [5, 8, 8, 6, 84, 675] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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Find number abc

If ba1b0 + 27b4c = 866ac find number abc. Multiple solutions may exist.
Correct answers: 0
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Calculate the number 5447

NUMBERMANIA: Calculate the number 5447 using numbers [1, 3, 7, 9, 40, 496] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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#brainteasers #math #numbermania

Tennis Shoes

Two hunters are walking through a forest looking for deer. When all of a sudden, a giant bear jumps out and scares the shit out of them. They drop their guns and run like hell.
One of the hunters stopped, opened up his backpack and laced up a pair of tennis shoes. His buddy looked at him and said, "What are you doing? Are you crazy? You can't outrun the bear!"
To this the hunter said, "I know, all I have to do is outrun you!"  

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MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (19, 20, 21, 22, 26, 27, 30, 32, 37, 41, 54) 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 9029a - bb88a = 23ca0 find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Calculate the number 1895

NUMBERMANIA: Calculate the number 1895 using numbers [3, 6, 6, 4, 52, 535] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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#brainteasers #math #numbermania
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Find number abc

If abaab - c3a8b = 2699b find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Calculate the number 6637

NUMBERMANIA: Calculate the number 6637 using numbers [5, 9, 2, 1, 60, 749] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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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, 7, 9, 15, 16, 18, 23, 45, 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: 2
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#brainteasers #math #magicsquare
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Find number abc

If b1435 - 1ca1b = 4ab19 find number abc. Multiple solutions may exist.
Correct answers: 0
CHECK ANSWER
#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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