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Math (page 2)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 11 to 20. |
Find number abc
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If aa428 + 42a1b = c5ca8 find number abc. Multiple solutions may exist. Calculate the number 5096
. Each of the numbers can be used only once.','/archive/2026/09/07/numbermania-1788739501.png','/calculate-the-number-5096/8829'))
NUMBERMANIA: Calculate the number 5096 using numbers [2, 6, 8, 8, 52, 586] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
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If a99b6 + 1aa1b = 7a4c8 find number abc. Multiple solutions may exist. 
Bike
A Priest was about to finish his tour of duty in the jungle where he has spent years teaching the natives to be civilized and kind to each other when he realizes that the one thing he never taught them was how to speak English.
So he takes the chief for a walk in the forest. He points to a tree and says to the chief, "This is a tree."
The chief looks at the tree and grunts, "Tree."
The Priest is pleased with the response. They walk a little further and he points to a rock and says, "This is a rock."
Hearing this, the chief looks and grunts, "Rock."
The Priest was really getting enthusiastic about the results when he hears a rustling in the bushes. As they peek over the top, he sees a couple of natives in the midst of heavy sexual activity.
The Priest is really flustered and quickly responds, "Man riding a bike."
The chief looks at the couple briefly, pulls out his blowgun and kills them both..
The Priest goes ballistic and yells at the chief that he has spent years teaching the tribe how to be civilized and be kind to each other, so how could he kill these people in cold blood that way?
The chief replied, "My bike."
Calculate the number 2340
. Each of the numbers can be used only once.','/archive/2026/09/04/numbermania-1788480302.png','/calculate-the-number-2340/8826'))
NUMBERMANIA: Calculate the number 2340 using numbers [9, 5, 3, 1, 86, 486] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 
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/2026/09/03/magic-square-1788393974.png','/MAGIC-SQUARE-Calculate-A-B-C/8825'))
The aim is to place the some numbers from the list (4, 7, 8, 9, 12, 13, 19, 44, 47, 48, 62, 97) 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. Find number abc
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If 129ac + c1aab = 9ba32 find number abc. Multiple solutions may exist. Calculate the number 323
. Each of the numbers can be used only once.','/archive/2026/08/31/numbermania-1788134702.png','/calculate-the-number-323/8822'))
NUMBERMANIA: Calculate the number 323 using numbers [4, 4, 6, 6, 29, 125] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
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If b492c + 4ba50 = a8cac find number abc. Multiple solutions may exist. Calculate the number 727
. Each of the numbers can be used only once.','/archive/2026/08/28/numbermania-1787875502.png','/calculate-the-number-727/8819'))
NUMBERMANIA: Calculate the number 727 using numbers [9, 2, 8, 9, 49, 630] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 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/2026/08/27/magic-square-1787789144.png','/MAGIC-SQUARE-Calculate-A-B-C/8818'))
The aim is to place the some numbers from the list (1, 4, 5, 20, 21, 24, 25, 50, 53, 54, 81) 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. 
