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The Most Difficult Tasks (page 235)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 2341 to 2350. |
Guess the Band Name
Which musician band has an album with a cover as in the picture? Calculate the number 613
NUMBERMANIA: Calculate the number 613 using numbers [2, 8, 9, 4, 39, 538] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Calculate the number 208
NUMBERMANIA: Calculate the number 208 using numbers [3, 2, 3, 6, 33, 221] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 
Witch doctor weather
A film crew is on location in Kenya, when a tribal shaman approaches the director and says, "Tomorrow rain." The director pays no attention, but the following day it pours and shooting has to be delayed.
That night, the director sends his assistant to bring the shaman back. "What will be the weather tomorrow?" asks the director.
"Bigger rain tomorrow, much wind," and sure enough a terrible storm once again delays the filming.
But then the witch doctor disappears for a week and the director, now depending on him, sends his people out to find him and bring him back to camp.
Finally, he is located and brought to the director's tent. "What will be the weather tomorrow?" asks the director in desperation.
"No idea," says the shaman, "Radio batteries dead."
Calculate the number 714
NUMBERMANIA: Calculate the number 714 using numbers [1, 1, 6, 2, 24, 660] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. MAGIC SQUARE: Calculate A+B-C
The aim is to place the some numbers from the list (4, 8, 9, 10, 11, 12, 13, 59, 60, 61, 80) 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. Calculate the number 877
NUMBERMANIA: Calculate the number 877 using numbers [7, 1, 2, 1, 15, 866] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. MAGIC SQUARE: Calculate A-B*C
The aim is to place the some numbers from the list (3, 4, 8, 17, 18, 22, 44, 58, 59, 63) 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. MAGIC SQUARE: Calculate A*B+C
The aim is to place the some numbers from the list (4, 7, 8, 9, 10, 13, 15, 16, 67, 69, 70, 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. MAGIC SQUARE: Calculate A*B+C
The aim is to place the some numbers from the list (10, 11, 12, 15, 16, 18, 22, 23, 24, 30, 35, 53) 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. MAGIC SQUARE: Calculate A-B-C
The aim is to place the some numbers from the list (8, 9, 12, 31, 32, 35, 43, 44, 47, 77, 85) 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.
