Daily Brain Teasers for Friday, 28 October 2022
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Calculate the number 1365
NUMBERMANIA: Calculate the number 1365 using numbers [7, 3, 5, 7, 55, 690] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A+B-C
The aim is to place the some numbers from the list (11, 14, 18, 27, 30, 34, 36, 65, 68, 72) 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.
#brainteasers #math #magicsquare
Find number abc
If a9a53 + 5acb1 = 103bca find number abc. Multiple solutions may exist.
#brainteasers #math

Moths
A woman was having a passionate affair with an inspector from pest-control company. One afternoon they were carrying on in the bedroom together when her husband arrived home unexpectedly. "Quick," said the woman to her lover, "into the closet!", and she pushed him into the closet stark naked. The husband, however, became suspicious and after a search of the bedroom discovered the man in the closet. "Who are you?" he asked him.
"I'm an inspector from Bugs-B-Gone," said the exterminator.
What are you doing in there?" the husband asked.
I'm investigating a complaint about an infestation of moths," the man replied.
"And where are your clothes?" asked the husband.
The man looked down at himself and said, "Those little bastards!"
Find the right 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.
#brainteasers #mastermind
British satelliteIn 1971, Britain became the sixth nation with its satellite launched into orbit by a Black Arrow rocket from Woomera, Australia. The Prospero, a Black Knight 1 satellite, had 86-kg mass at launch, 4-m diam. and transmitted on 137.56 MHz (still heard in 2000, although the onboard tape recorder failed after 730 replays on 24 May 1973). Its mission was to test solar cells and other technology experiments. Prospero is the only satellite launched by a British rocket. The Black Arrow was a 3-stage rocket only 13 m high. The Royal Aircraft Establishment developed the space launcher Black Arrow from 1964 until the project was cancelled by the British government in Jul 1971. The USSR's Sputnik was the first satellite (4 Oct 1957).« |
Calculate the number 2907
NUMBERMANIA: Calculate the number 2907 using numbers [7, 3, 7, 4, 12, 979] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If 4bbaa - b8077 = ac045 find number abc. Multiple solutions may exist.
#brainteasers #math
Find the right 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.
#brainteasers #mastermind
Calculate the number 1713
NUMBERMANIA: Calculate the number 1713 using numbers [6, 3, 4, 2, 54, 137] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A*B*C
The aim is to place the some numbers from the list (14, 15, 16, 18, 19, 20, 32, 33, 34, 54, 93) 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.
#brainteasers #math #magicsquare
Find number abc
If 8b6ba - 3ac0b = cc2b6 find number abc. Multiple solutions may exist.
#brainteasers #math