BRAIN TEASERS
Math (page 72)

Math (page 72)

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 711 to 720.
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Calculate the number 988

NUMBERMANIA: Calculate the number 988 using numbers [1, 8, 8, 2, 61, 510] 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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Find number abc

If c24b1 + aa420 = 1478a1 find number abc. Multiple solutions may exist.
Correct answers: 1
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#brainteasers #math
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Calculate the number 779

NUMBERMANIA: Calculate the number 779 using numbers [1, 3, 5, 5, 64, 467] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
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#brainteasers #math #numbermania

Daddy, what happened to him?

A father was at the beach with his children when the four-year-old son ran up to him, grabbed his hand, and led him to the shore, where a seagull lay dead in the sand.

"Daddy, what happened to him?" the son asked.

"He died and went to Heaven," the dad replied.

The boy thought a moment and then said, "Did God throw him back down?"

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MAGIC SQUARE: Calculate A*B+C

The aim is to place the some numbers from the list (10, 12, 15, 16, 17, 18, 19, 21, 22, 56, 88) 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 75ab8 - 1ac54 = 5c254 find number abc. Multiple solutions may exist.
Correct answers: 1
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#brainteasers #math
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Calculate the number 2237

NUMBERMANIA: Calculate the number 2237 using numbers [8, 6, 5, 7, 58, 314] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
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#brainteasers #math #numbermania
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Find number abc

If 70ba9 + a4ccb = 12a197 find number abc. Multiple solutions may exist.
Correct answers: 1
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#brainteasers #math
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Calculate the number 714

NUMBERMANIA: Calculate the number 714 using numbers [2, 2, 1, 1, 87, 542] 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 (1, 5, 8, 10, 24, 28, 31, 37, 39, 43, 46, 58) 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 95c80 - 8bc59 = 90a1 find number abc. Multiple solutions may exist.
Correct answers: 5
CHECK ANSWER
#brainteasers #math
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Columbus Iselin

Born 25 Sep 1904; died 5 Jan 1971 at age 66.Columbus O'Donnell Iselin was an American oceanographer who was director of the Woods Hole Oceanographic Institutionin Massachusetts(1940-50; 1956-57). He expanded its facilities 10-fold and made it one of the largest research establishments of its kind in the world. Iselindeveloped the bathythermograph and other deep-sea instruments responsible for saving ships during WW II. He made major contributions to research on ocean salinity and temperature, acoustics, and the oceanography of the Gulf Stream.
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