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Math (page 45)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 441 to 450. |
Calculate the number 4414
NUMBERMANIA: Calculate the number 4414 using numbers [5, 4, 8, 9, 85, 281] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
If b1bc1 + 448aa = 761c1 find number abc. Multiple solutions may exist. Calculate the number 1443
NUMBERMANIA: Calculate the number 1443 using numbers [2, 4, 5, 8, 22, 233] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 
Chalk One Up For The Grandparents!
An elderly man in Miami calls his son in New York and says, "I hate to ruin your day, but I have to tell you that your mother and I are divorcing.
Forty-five years of misery is enough."
"Pop, what are you talking about?" the son screams.
"We can't stand the sight of each other any longer," the old man says.
"We're sick of each other, and I'm sick of talking about this, so you call your sister in Chicago and tell her," and he hangs up.
Frantic, the son calls his sister, who explodes on the phone, "Like heck they're getting divorced," she shouts, "I'll take care of this."
She calls her father immediately and screams at the old man, "You are NOT getting divorced! Don't do a single thing until I get there. I'm calling my brother back, and we'll both be there tomorrow. Until then, don't do a thing, DO YOU HEAR ME?" and hangs up.
The old man hangs up his phone and turns to his wife. "Okay," he says, "They're coming for Passover and paying their own airfares."
MAGIC SQUARE: Calculate A*B+C
The aim is to place the some numbers from the list (14, 16, 25, 29, 31, 40, 68, 70, 77, 79, 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. Find number abc
If 4cc58 + 64c5a = bb4cbb find number abc. Multiple solutions may exist. Calculate the number 2234
NUMBERMANIA: Calculate the number 2234 using numbers [2, 8, 2, 9, 70, 181] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
If 6bc3a - 6a263 = 2bb1 find number abc. Multiple solutions may exist. Calculate the number 731
NUMBERMANIA: Calculate the number 731 using numbers [7, 7, 2, 5, 64, 795] 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 (2, 4, 8, 10, 11, 13, 15, 17, 22, 30, 36) 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 920c1 + 924c2 = 1a454b find number abc. Multiple solutions may exist.
