BRAIN TEASERS
Monthly Archive - December 2019 (page 3)

Monthly Archive - December 2019 (page 3)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30.
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Find number abc

If 81b77 - 6cba6 = 160c1 find number abc. Multiple solutions may exist.
Correct answers: 38
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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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.
Correct answers: 26
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 678

NUMBERMANIA: Calculate the number 678 using numbers [7, 1, 1, 2, 82, 603] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 20
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania

Blind date

How was your blind date?" a college student asked her roommate.

"Terrible!" the room-mate answered. "He showed up in his 1932 Rolls Royce."

"Wow! That's a very expensive car. What's so bad about that?"

"He was the original owner."

Jokes of the day - Daily updated jokes. New jokes every day.
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Find number abc

If caabc - 4caba = 32aac find number abc. Multiple solutions may exist.
Correct answers: 55
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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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.
Correct answers: 18
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1651

NUMBERMANIA: Calculate the number 1651 using numbers [7, 2, 6, 1, 73, 614] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (5, 16, 17, 20, 24, 25, 28, 34, 39, 40, 43, 55) 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.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 6b59c - 169ac = c6670 find number abc. Multiple solutions may exist.
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
[link]

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.
Correct answers: 22
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
[link]

Calculate the number 613

NUMBERMANIA: Calculate the number 613 using numbers [2, 8, 9, 4, 39, 538] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 17
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Experimental sodium reactor

In 1957, an experimental sodium reactor (SRE) began self-sustaining nuclear fission with 350ºF sodium in the core. By 12 Nov 1957 if first provided electricity to Moorpark, California. It achieved full power on 21 May 1958. Design began Jun 1954, site excavation started in Mar 1955, and construction was finished in Feb 1957. The reactor, which used sodium as coolant, was located in the Santa Susana Mountains, about 30 miles northwest of Los Angeles, California. It was built for the Atomic Energy Commission by Atomics International, a division of North American Aviation., Inc. The decision to deactivate the Sodium Reactor Experiment was made in the fall of 1966 and deactivation activities completed by Jun 1968. Decommissioning, demolition and decontamination was completed in 1983.«
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