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The Most Difficult Tasks (page 164)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1631 to 1640. |
Calculate the number 3216
NUMBERMANIA: Calculate the number 3216 using numbers [3, 5, 2, 4, 16, 982] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Calculate the number 7419
NUMBERMANIA: Calculate the number 7419 using numbers [6, 2, 9, 6, 82, 867] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Calculate the number 1271
NUMBERMANIA: Calculate the number 1271 using numbers [7, 2, 7, 3, 92, 938] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 
The runner
Mary was having an affair during the day while her husband was at work. One day, she was in bed with her boyfriend Ralph, when she heard her husband's car pull in the driveway. She yelled at Ralph, "Hurry! grab your clothes and jump out the window, my husband is home early!"
Ralph looked out the window and said, "I can't jump out the window! It's raining like hell out there."
Mary cried, "If my husband catches us in here, he will kill both of us!"
So, Ralph grabbed his clothes and jumped out the window. When he landed outside he found himself in the middle of a marathon race, so he started running along side the others, only he was still in the nude, carrying his clothes on his arm.
One of the runners asked him, "Do you always run in the nude?"
Ralph answered, while gasping for air, "Oh yes, it feels so free having the air blow over your skin while you are running."
Then another runner asked, "Do you always run carrying your clothes on your arm?"
Ralph answered breathlessly, "Oh yes, that way I can get dressed at the end of the run and get in my car to go home."
Then another runner asked, "Do you always wear a condom when you run?"
Ralph answered, "Only if it's raining."
Calculate the number 7295
NUMBERMANIA: Calculate the number 7295 using numbers [8, 9, 6, 5, 79, 706] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Calculate the number 7037
NUMBERMANIA: Calculate the number 7037 using numbers [4, 9, 1, 8, 57, 793] 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 (10, 12, 16, 29, 31, 35, 62, 64, 68, 75) 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 (3, 13, 15, 20, 21, 22, 23, 28, 31, 33, 39, 42) 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, 6, 7, 8, 10, 11, 28, 69, 71, 72, 75) 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 3898
NUMBERMANIA: Calculate the number 3898 using numbers [8, 2, 5, 6, 75, 852] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Calculate the number 670
NUMBERMANIA: Calculate the number 670 using numbers [6, 3, 6, 6, 21, 377] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
