BRAIN TEASERS
Math (page 15)

Math (page 15)

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 141 to 150.
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (5, 6, 11, 19, 20, 25, 26, 27, 28, 32) 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 c51a7 + 10bbc = 460b0 find number abc. Multiple solutions may exist.
Correct answers: 1
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#brainteasers #math
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Calculate the number 751

NUMBERMANIA: Calculate the number 751 using numbers [7, 3, 9, 2, 32, 665] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
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#brainteasers #math #numbermania

Offer, Retracted.

A good-looking guy is sitting in a bar, sipping a whiskey. He notices a gorgeous woman at the end of the bar, talking with a friend. He calls over a waiter, and sends them both a martini, along with a note asking for the gorgeous woman's phone number.

Ten minutes later, the friend walks over with a note. It reads:

"Unless you have a Mercedes parked outside, a million bucks in the bank, and eight inches in your pants, you're not getting anything from me."

The man finishes his whiskey, considering his response. He then writes this down on a piece of paper, hands it to the friend, and walks out:

"Actually, I only have about $300k in the bank; most of my net worth is in the three dozen buildings I own downtown. And today, I'm driving the Porsche; the Benz, Hummer, and Lamborghini are currently at my summer residence.

But If you think I'm cutting off two inches for you, you can fuck right off."

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Find number abc

If 380ab + c9bac = 97b3a find number abc. Multiple solutions may exist.
Correct answers: 1
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#brainteasers #math
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Calculate the number 5140

NUMBERMANIA: Calculate the number 5140 using numbers [2, 6, 1, 7, 12, 648] 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 (7, 8, 9, 16, 26, 27, 31, 32, 34, 39, 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: 0
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#brainteasers #math #magicsquare
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Find number abc

If abc2b + 77c2a = c3a2a3 find number abc. Multiple solutions may exist.
Correct answers: 1
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#brainteasers #math
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Calculate the number 5454

NUMBERMANIA: Calculate the number 5454 using numbers [9, 1, 9, 9, 36, 561] 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 bbcaa + 3c32c = 9747b find number abc. Multiple solutions may exist.
Correct answers: 1
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#brainteasers #math
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Calculate the number 7406

NUMBERMANIA: Calculate the number 7406 using numbers [2, 8, 4, 4, 82, 845] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
CHECK ANSWER
#brainteasers #math #numbermania
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Philipp Lenard

Born 7 Jun 1862; died 20 May 1947 at age 84. Philipp Eduard Anton von Lenard was a Hungarian-German physicist who received the 1905 Nobel Prize for Physics for his research on cathode rays. He discovered they could leave a cathode ray tube, penetrate thin metal sheets, and travel a short distance in the air, which would become conducting.. In 1902, he observed that a free electron (as in a cathode ray) must have at least a certain energy to ionize a gas by knocking a bound electron out of an atom. His estimate of the required ionization energy for hydrogen was remarkably accurate. Also in 1902, he showed that the photoelectric effect produces the same electrons found in cathode rays, that the photoelectrons are not merely dislodged from the metal surface but ejected with a certain amount of energy.
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