|
The Most Difficult Tasks (page 90)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 891 to 900. |
Find number abc
If c6411 + 1cb2b = 4a4c1 find number abc. Multiple solutions may exist. Calculate the number 959
NUMBERMANIA: Calculate the number 959 using numbers [1, 5, 8, 1, 98, 857] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Calculate the number 4964
NUMBERMANIA: Calculate the number 4964 using numbers [6, 5, 9, 3, 27, 922] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 
Childhood Sweethearts
An elderly couple who were childhood sweethearts had married & settled down in their old neighborhood.
To celebrate their 50th wedding anniversary they walk down to their old school. There, they hold hands as they find the desk they shared & where he had carved "I love you, Sally".
On their way back home, a bag of money falls out of an armoured car practically at their feet. She quickly picks it up, & they don't know what to do with it so they take it home. There, she counts the money, & its fifty-thousand dollars.
The husband says: "We've got to give it back".
She says, "Finders keepers" & puts the money back in the bag & hides it up in their attic.
The next day, two policemen are going from door-to-door in the neighbourhood looking for the money show up at their home.
One knocks on the door & says: "Pardon me, but did either of you find any money that fell out of an armoured car yesterday?"
She says: "No"..
The husband says: "She's lying. She hid it up in the attic."
She says: "Don't believe him, he's getting senile."
But the policemen sit the man down & begin to question him.
One says: "Tell us the story from the beginning."
The old man says: "Well, when Sally & I were walking home from school yesterday ..."
At this, the policeman looks at his partner & says: "We're outta here ..."
MAGIC SQUARE: Calculate A*B+C
The aim is to place the some numbers from the list (13, 14, 16, 20, 21, 23, 42, 49, 50, 52, 58, 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. Find number abc
If 84bc5 + c26aa = 1aa0a2 find number abc. Multiple solutions may exist. Calculate the number 6715
NUMBERMANIA: Calculate the number 6715 using numbers [4, 9, 6, 8, 69, 567] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Calculate the number 7649
NUMBERMANIA: Calculate the number 7649 using numbers [6, 6, 8, 9, 65, 505] 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 (1, 18, 20, 23, 27, 29, 32, 39, 41, 43, 46, 74) 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
If c70bb + 9abbb = aa873c find number abc. Multiple solutions may exist. Calculate the number 3518
NUMBERMANIA: Calculate the number 3518 using numbers [3, 7, 4, 8, 24, 333] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
