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Brain Teasers (page 64)puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 631 to 640. |
Calculate the number 2421
NUMBERMANIA: Calculate the number 2421 using numbers [2, 7, 9, 8, 97, 785] 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, 5, 7, 11, 14, 16, 46, 49, 51, 65, 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. Find number abc
If 5ac8b - bab74 = a0708 find number abc. Multiple solutions may exist. 
22 Fresh Halloween jokes for 2020
Q: Why do ghosts go on diets?
A: So they can keep their ghoulish figures
Q: What does a panda ghost eat?
A: Bam-BOO!
Q: Why don’t mummies take time off?
A: They’re afraid to unwind.
Q: Why did the zombie skip school?
A: He felt rotten.
Q: What is a vampire’s favorite fruit?
A: A blood orange.
Q: Where do baby ghosts go during the day?
A: Dayscare centers!
Q: Why did the headless horseman go into business?
A: He wanted to get ahead in life.
Q: What kind of music do mummies like listening to on Halloween?
A: Wrap music.
Q: Why don’t mummies have friends?
A: Because they’re too wrapped up in themselves.
Q: Why did the vampire read the newspaper?
A: He heard it had great circulation.
Q: What’s it like to be kissed by a vampire?
A: It’s a pain in the neck.
Q: What’s it called when a vampire has trouble with his house?
A: A grave problem.
Q: What do you call a cleaning skeleton?
A: The grim sweeper. Q:
Q: Why did the vampire need mouthwash?
A: Because he had bat breath.
Q: What do you call a witch’s garage?
A: A broom closet.
Q: What kind of food would you find on a haunted beach?
A: A sand-witch!
Q: What's a witch's favorite makeup?
A: Ma-scare-a.
Q: Who helps the little pumpkins cross the road safely?
A: The crossing gourd.
Q: What treat do eye doctors give out on Halloween?
A: Candy corneas.
Q: What type of plants do well on all Hallow’s Eve?
A: Bam-BOO!
Q: Why don’t skeletons ever go trick or treating?
A: Because they have no-body to go with.
What a winning combination?
The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot. Calculate the number 9071
NUMBERMANIA: Calculate the number 9071 using numbers [9, 9, 2, 9, 58, 928] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
If a3a79 + b90cc = c52a90 find number abc. Multiple solutions may exist. What a winning combination?
The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot. Calculate the number 4491
NUMBERMANIA: Calculate the number 4491 using numbers [7, 5, 7, 4, 47, 946] 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 (11, 12, 17, 20, 21, 23, 26, 33, 41, 42, 47, 48) 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 c8368 - a91c1 = a9a1b find number abc. Multiple solutions may exist.
