BRAIN TEASERS
Math (page 97)

Math (page 97)

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 961 to 970.
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MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (1, 2, 3, 6, 18, 19, 22, 32, 33, 34, 36) 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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Find number abc

If aa2ba - c87b1 = 550c find number abc. Multiple solutions may exist.
Correct answers: 4
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Calculate the number 8967

NUMBERMANIA: Calculate the number 8967 using numbers [3, 5, 8, 7, 12, 808] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
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#brainteasers #math #numbermania

Stomach ache

A little girl went up to her mother one day while holding her stomach saying, "Mommy, my stomach hurts."

Her mother replied, "That's because it's empty. You have to put something into it!"

She then prepared a bowl of soup. Later that day the pastor and his wife came over for dinner.

The pastor began to feel bad. Holding his head he said, "I have such a terrible headache!"

The little girl looked up at him, giving him the sweetest smile that any little child could give. Then she said:

"That's because it's empty. You have to put something into it!"

Found on http://www.crochetnmore.com posted on May 15, 2005

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Find number abc

If 3bb30 + 7abca = cca8aa find number abc. Multiple solutions may exist.
Correct answers: 2
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#brainteasers #math
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Calculate the number 5696

NUMBERMANIA: Calculate the number 5696 using numbers [5, 7, 9, 9, 23, 822] 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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MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (7, 10, 11, 12, 14, 16, 52, 55, 57, 71) 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 7b3bc + 5a306 = c336b7 find number abc. Multiple solutions may exist.
Correct answers: 2
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#brainteasers #math
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Calculate the number 1047

NUMBERMANIA: Calculate the number 1047 using numbers [1, 7, 6, 5, 49, 994] 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 925ab - 117bc = a0ac9 find number abc. Multiple solutions may exist.
Correct answers: 2
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#brainteasers #math
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Calculate the number 2604

NUMBERMANIA: Calculate the number 2604 using numbers [5, 1, 1, 8, 98, 363] 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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Macedonio Melloni

Died 11 Aug 1854 at age 56 (born 11 Apr 1798).Italian physicist who was the firstto extensively research infrared radiation. Sir William Frederick Herschel discovered infrared radiation in 1800, but research stalled until the invention of a thermopile in 1830. That instrument was a series of strips of two different metals that produced electric current when one end was heated. Melloni improved the thermopile and used it to detect infrared radiation. In 1846, from an observation point high on Mount Vesuvius, he measured the slight heating effect of moonlight. He showed also that rock salt, being transparent to infrared, made suitable lenses and prisms to demonstrate the reflection, refraction, polarization and interference of infrared in the same manner as visible light.
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