BRAIN TEASERS

Monthly Archive - December 2018

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.

Calculate the number 1662

NUMBERMANIA: Calculate the number 1662 using numbers [4, 3, 8, 2, 10, 532] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania

Find number abc

If 9a8bb - cbb8b = a5ac0 find number abc. Multiple solutions may exist.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math

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.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #mastermind

A man had just settled into hi...

A man had just settled into his seat next to the window on the plane when another man sat down in the aisle seat, and put his black Labrador Retriever in the middle seat between them.
The first man looked very quizzically at the dog and asked why it was allowed on the plane.
The second man explained that he was a DEA agent, and that the dog was a "drug-sniffing dog."
He went on, "His name is Sniffer and he's the best there is.
I'll show you once we get airborne, when I put him to work."
The plane took off, and once it leveled out, the agent said "Watch this." He told Sniffer to "search".
Sniffer jumped down, walked along the aisle, and finally sat very purposefully next to a woman for several seconds.
Sniffer then returned to his seat and put one paw on the agent's arm.
The agent said, "Good boy!", turned to t he man and said, "That woman is in possession of marijuana, so I'm making a note of her seat number and the authorities will apprehend her when we land."
"Say, that's pretty neat," replied the first man.
Once again, the agent sent Sniffer to search the aisles. The Lab sniffed about, sat down beside a man for a few seconds, returned to his seat, and placed two paws on the agent's arm.
The agent said, "That man is carrying cocaine, so again, I'm making a note of his seat number for the police."
"I like it!" said his seat mate.
The agent then told Sniffer to "search" again.
Sniffer walked up and down the aisles for a little while, sat down for a moment, and then came racing back to the agent, jumped into the middle seat and pooped all over the place.
The first man was really grossed out by this behavior and couldn't figure out how or why a well-trained dog would act like that. He asked the agent, "What's going on?"
The agent nervously replied, "He just found a bomb!"
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Calculate the number 3997

NUMBERMANIA: Calculate the number 3997 using numbers [6, 8, 2, 1, 97, 642] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania

MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (6, 7, 9, 17, 18, 20, 23, 24, 26, 30, 73) 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.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #magicsquare

Find number abc

If ca0aa - b8b70 = 486a find number abc. Multiple solutions may exist.
The first user who solved this task is Djordje Timotijevic.
#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.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #mastermind

Calculate the number 984

NUMBERMANIA: Calculate the number 984 using numbers [4, 2, 8, 8, 95, 120] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania

Find number abc

If b06aa - 15aa5 = c53bc find number abc. Multiple solutions may exist.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math

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.
The first user who solved this task is Djordje Timotijevic.