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Math (page 19)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 181 to 190. |
Calculate the number 9399
. Each of the numbers can be used only once.','/archive/2026/01/12/numbermania-1768176301.png','/calculate-the-number-9399/8596'))
NUMBERMANIA: Calculate the number 9399 using numbers [2, 8, 7, 4, 99, 901] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If 89ab9 - bc00c = 6babb find number abc. Multiple solutions may exist. Correct answers: 3
#brainteasers #math
Calculate the number 8216
. Each of the numbers can be used only once.','/archive/2026/01/09/numbermania-1767917101.png','/calculate-the-number-8216/8593'))
NUMBERMANIA: Calculate the number 8216 using numbers [7, 6, 1, 9, 68, 585] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Vacation
Billy Bob and Luther were talking one afternoon when Billy Bob tells Luther, "Ya know, I reckon I'm 'bout ready for a vacation. Only this year I'm gonna do it a little different. The last few years, I took your advice about where to go.
Three years ago you said to go to Hawaii. I went to Hawaii and Earlene got pregnant.
Then two years ago, you told me to go to the Bahamas,and Earlene got pregnant again.
Last year you suggested Tahiti and darned if Earlene didn't get pregnant again."
Luther asks Billy Bob, "So, what you gonna do this year that's different?"
Billy Bob says, "This year I'm taking Earlene with me."
MAGIC SQUARE: Calculate A+B*C
 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.','/archive/2026/01/08/magic-square-1767830745.png','/MAGIC-SQUARE-Calculate-A-B-C/8592'))
The aim is to place the some numbers from the list (6, 15, 17, 18, 19, 21, 22, 33, 35, 36, 92) 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
#brainteasers #math #magicsquare
Find number abc
)
If 795ac - 7cb37 = babb find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
Calculate the number 3430
. Each of the numbers can be used only once.','/archive/2026/01/05/numbermania-1767571501.png','/calculate-the-number-3430/8589'))
NUMBERMANIA: Calculate the number 3430 using numbers [5, 5, 1, 8, 73, 707] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If 73bb4 - 64b3b = ac74 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
Calculate the number 4128
. Each of the numbers can be used only once.','/archive/2026/01/02/numbermania-1767312301.png','/calculate-the-number-4128/8587'))
NUMBERMANIA: Calculate the number 4128 using numbers [7, 4, 1, 3, 63, 962] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A*B-C
 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.','/archive/2026/01/01/magic-square-1767225944.png','/MAGIC-SQUARE-Calculate-A-B-C/8586'))
The aim is to place the some numbers from the list (5, 7, 11, 14, 16, 20, 32, 34, 38, 51, 61) 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
#brainteasers #math #magicsquare
Find number abc
)
If ab4b0 - 1bcca = 39b8a find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
