BRAIN TEASERS

# Monthly Archive - October 2023

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

## Which is a winning combination of digits?

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 3836

NUMBERMANIA: Calculate the number 3836 using numbers [7, 1, 9, 6, 98, 455] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania

## Find number abc

If a4ab4 - 422c4 = 12310 find number abc. Multiple solutions may exist.
#brainteasers #math

On the first day of school, the children brought gifts for their teacher. The florist's son brought the teacher a bouquet of flowers. The candy-store owner's daughter gave the teacher a pretty box of candy. Then the liquor-store owner's son brought up a big, heavy box. The teacher lifted it up and noticed that it was leaking a little bit. She touched a drop of the liquid with her finger and tasted it.
"Is it wine?" she guessed.
"No," the boy replied. She tasted another drop and asked, " Champagne ?
"No," said the little boy... "It's a puppy!"
Jokes of the day - Daily updated jokes. New jokes every day.

## Which is a winning combination of digits?

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 2420

NUMBERMANIA: Calculate the number 2420 using numbers [2, 2, 5, 1, 97, 582] 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 (3, 4, 6, 15, 16, 18, 22, 23, 25, 86) 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 c6cb4 - c1a0a = 56ba 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 826

NUMBERMANIA: Calculate the number 826 using numbers [3, 6, 1, 6, 86, 579] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania

## Find number abc

If 4410c + 67ab0 = 111bbc find number abc. Multiple solutions may exist.
#brainteasers #math
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### HMS Challenger

In 1872, the H.M.S. Challenger set out from Sheerness, Kent, for Portsmouth, England, arriving on 11 Dec 1872. After loading more stores, the world's first global scientificvoyageembarked on 21 Dec 1872, with agroup of scientists and expert navigators to research the oceans. The Challenger was a military corvette sailing ship with auxiliary steam power, converted at Sheerness for the scientific voyage. The ship had a natural history laboratory where specimens were examined, identified, dissected and drawn; a chemistry laboratory; and scientific equipment. During the 4 year journey, ending on 24 May 1876, the voyage zig-zagged around the globe to visit every continent, sounded the ocean bottom to a depth of 26,850-ft, found many new species, and provided collections for scores of biologists.«
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