BRAIN TEASERS
Math

Math

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 1 to 10.
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Calculate the number 4721

NUMBERMANIA: Calculate the number 4721 using numbers [9, 7, 6, 5, 96, 697] 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 (3, 5, 6, 13, 15, 16, 23, 27, 45, 47, 48, 90) 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 90b77 + ab207 = 12b6cb find number abc. Multiple solutions may exist.
Correct answers: 0
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Husband (a doctor) and his wif...

Husband (a doctor) and his wife are having a fight at the breakfast table. Husband gets up in a rage and says, "And you are no good in bed either," and storms out of the house.
After sometime he realizes he was nasty and decides to make amends and rings her up. She comes to the phone after many rings, and the irritated husband says, "What took you so long to answer the phone?"
She says, "I was in bed."
"In bed this early, doing what?"
"Getting a second opinion!"
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Calculate the number 2343

NUMBERMANIA: Calculate the number 2343 using numbers [2, 8, 1, 4, 67, 249] 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 44c64 + cbca5 = 1346cb find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Calculate the number 1066

NUMBERMANIA: Calculate the number 1066 using numbers [7, 4, 3, 3, 49, 186] 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 (16, 17, 20, 21, 28, 31, 32, 44, 47, 48) 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 96abc - 3cabc = 6baaa find number abc. Multiple solutions may exist.
Correct answers: 1
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#brainteasers #math
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Calculate the number 6300

NUMBERMANIA: Calculate the number 6300 using numbers [7, 2, 9, 1, 62, 390] 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 a0ca6 + 1b5ba = cb898 find number abc. Multiple solutions may exist.
Correct answers: 1
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#brainteasers #math
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Wireless car phone

In 1926, a wireless phone for autos was demonstrated in Berlin, Germany, by Herr Schaetzle.*
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