BRAIN TEASERS
Monthly Archive - June 2019 (page 2)

Monthly Archive - June 2019 (page 2)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20.
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MAGIC SQUARE: Calculate A+B*C

The aim is to place the some numbers from the list (23, 25, 26, 28, 29, 31, 34, 57, 60, 63, 68) 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: 12
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare
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Find number abc

If 6b86c - 14cb0 = aaa7c find number abc. Multiple solutions may exist.
Correct answers: 25
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math
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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.
Correct answers: 32
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind

The Superior Bible Salesman

A pastor concluded that his church was getting into very serious financial troubles. While checking the church storeroom, he discovered several boxes of new Bibles that had never been opened and distributed.

At his Sunday sermon, he asked for three volunteers from the congregation who would be willing to sell the bibles door-to-door for $10 each to raise the desperately needed money for the church.

Jack, Paul, and Louie all raised their hands to volunteer for the task. The minister knew that Jack and Paul earned their living as salesmen and were likely capable of selling some Bibles, but he had serious doubts about Louie, a local farmer who had always kept to himself because he was embarrassed by his speech impediment.

Poor Louis stuttered badly, but not wanting to discourage Louis, the minister decided to let him try anyway. He sent the three of them away with the back seat of their cars stacked with Bibles. He asked them to meet with him and report the results of their door-to-door selling efforts the following Sunday.

Anxious to find out how successful they were, the minister immediately asked Jack, "Well, Jack, how did you make out selling our Bibles last week?"

Proudly handing the reverend an envelope, Jack replied, "Using my sales prowess, I was able to sell 20 bibles, and here's the $200 I collected on behalf of the church."

"Fine job, Jack!" The minister said, shaking his hand. "You are indeed a fine salesman and the church is indebted to you."

Turning to Paul the pastor said, "Paul, how many Bibles did you sell for the church last week?"

Paul, smiling and sticking out his chest, confidently replied, "I am a professional salesman. I sold 28 Bibles on behalf of the church and $280 I collected." The minister responded, "That's absolutely splendid, Paul. You are truly a professional salesman and the church is indebted to you."

Apprehensively, the minister said to Louie, "Louie, did you manage to sell any Bibles this week?"

Louie silently offered the minister a large envelope. The minister opened it and counted the contents. "What is this?" the minister exclaimed. "Louie, there's $3200 in here! Are you suggesting that you sold 320 bibles for the church, door-to-door, in just one week?"

Louie just nodded.

"That's impossible!" both Jack and Paul said in unison. "We are professional salesmen, yet you claim to have sold 10 times as many bibles as we could."

"Yes, this does seem unlikely," the minister agreed. "I think you'd better explain how you managed to accomplish this, Louie."

Louie shrugged. "I-I-I re-re-really do-do-don't kn-kn-know f-f-f-for sh-sh-sh-sure," he stammered.

Impatiently, Peter interrupted "For crying out loud, Louie, just tell us what you said to them when they answered the door!"

"A-a-a-all I-I-I s-s-said wa-wa-was," Louis replied, "W-w-w-w-would y-y-y-you l-l-l-l-l-like t-t-to b-b-b-buy th-th-th-this b-b-b-b-bible F-f-for t-t-ten b-b-b-bucks ---o-o-o-or--- wo-wo-would yo-youj-j-just l-like m-m-me t-t-to st-st-stand h-h-here and r-r-r-r-r-read it t-to y-y-you??"

Jokes of the day - Daily updated jokes. New jokes every day.
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Calculate the number 897

NUMBERMANIA: Calculate the number 897 using numbers [1, 2, 4, 5, 53, 209] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 19
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 8b76a - ab021 = c07bb find number abc. Multiple solutions may exist.
Correct answers: 31
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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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.
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 2254

NUMBERMANIA: Calculate the number 2254 using numbers [1, 5, 1, 7, 85, 470] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
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 (12, 14, 16, 34, 36, 38, 72, 74, 76, 82) 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: 15
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 2188c + 7cbac = b87b2 find number abc. Multiple solutions may exist.
Correct answers: 25
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math
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Calculate the number 1079

NUMBERMANIA: Calculate the number 1079 using numbers [2, 1, 2, 6, 87, 986] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 25
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Joseph Loschmidt

Died 8 Jul 1895 at age 74 (born 15 May 1821). Johann Joseph Loschmidt was an Austrian chemist and physicist who was thefirsttopropose(1861) some kind of cyclic structure for benzene and many aromatic hydrocarbons. (Four years later, Kekulé devised the correct ring structure, for which his name is remembered while Loschmidt's contribution is overlooked.) He deduced the size of air molecules to be around one nanometer, with two approaches: relating the size of gas molecules to the distance travelled between collisions, and considering the packed volume of molecules in a cold liquid. Completing Avogadro's insight that all gases have the same number of molecules in a given volume, Loschmidt measured Avogadro's constant to be 6.03 x 1023 molecules in one mole of a gas (1865).«
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