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Math (page 35)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 341 to 350. |
Find number abc
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If 5b48a + 8cb1c = 14cabb find number abc. Multiple solutions may exist. Calculate the number 926
. Each of the numbers can be used only once.','/archive/2025/04/14/numbermania-1744589101.png','/calculate-the-number-926/8328'))
NUMBERMANIA: Calculate the number 926 using numbers [8, 2, 6, 3, 36, 861] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
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If ac6b7 + 1372a = 10a416 find number abc. Multiple solutions may exist. 
Two Drops
A lady went to the bar on a cruise ship, and ordered a Scotch, with two drops of water. The bartender gave her the drink, and she said, "I'm on this cruise to celebrate my 80th birthday, and it's today."
The bartender said, "Well, since it's your birthday, this one's on me."
As the lady finished her drink, a woman, to her right, said, "I'd like to buy you a drink, too." The lady said, "Thank you, how sweet of you. OK, then, Bartender, I want another Scotch, with two drops of water."
"Coming up," said the bartender.
As she finished that drink, a man, to her left, said, "I'd like to buy you a drink too." The lady said, "Thank you very much, my dear. Bartender, I'll have another Scotch, with two drops of water."
"Coming right up," the bartender said.
As he gave her the drink, this time, he said, "Ma'am, I'm dying of curiosity. Why the Scotch with only two drops of water?"
The old woman giggled, and replied, "Sonny, when you're my age, you've learned how to hold your liquor. Water, however, is a whole other issue."
Calculate the number 400
. Each of the numbers can be used only once.','/archive/2025/04/11/numbermania-1744329901.png','/calculate-the-number-400/8325'))
NUMBERMANIA: Calculate the number 400 using numbers [6, 6, 9, 8, 67, 264] 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/2025/04/10/magic-square-1744243567.png','/MAGIC-SQUARE-Calculate-A-B-C/8324'))
The aim is to place the some numbers from the list (12, 13, 15, 16, 23, 26, 61, 63, 68, 69, 79, 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. Find number abc
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If 4a9cc + 991b4 = 14a111 find number abc. Multiple solutions may exist. Calculate the number 454
. Each of the numbers can be used only once.','/archive/2025/04/07/numbermania-1743984301.png','/calculate-the-number-454/8321'))
NUMBERMANIA: Calculate the number 454 using numbers [1, 6, 1, 8, 18, 158] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
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If aa3bc - bac55 = 195cb find number abc. Multiple solutions may exist. Calculate the number 8404
. Each of the numbers can be used only once.','/archive/2025/04/04/numbermania-1743725101.png','/calculate-the-number-8404/8318'))
NUMBERMANIA: Calculate the number 8404 using numbers [8, 9, 4, 4, 65, 949] 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/2025/04/03/magic-square-1743638743.png','/MAGIC-SQUARE-Calculate-A-B-C/8317'))
The aim is to place the some numbers from the list (9, 10, 11, 14, 15, 16, 42, 54, 55, 56, 79) 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. 
