# Daily Brain Teasers for Friday, 09 December 2022

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |

## Calculate the number 2184

NUMBERMANIA: Calculate the number 2184 using numbers [2, 1, 1, 6, 98, 820] 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 (13, 20, 22, 27, 28, 29, 35, 50, 52, 58, 65) 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 cc77a - bbb87 = bbcab find number abc. Multiple solutions may exist.#brainteasers #math

### A teacher was giving a lesson...

A teacher was giving a lesson on the circulation of the blood. Trying to make the matter clearer, she said, "Now, class, if I stood on my head, the blood, as you know, would run into it, and I would turn red in the face.."

"Yes," the class said.

"Then why is it that while I am standing upright in the ordinary position the blood doesn't run into my feet?"

A little fellow shouted,

"Cause your feet ain't empty."

"Yes," the class said.

"Then why is it that while I am standing upright in the ordinary position the blood doesn't run into my feet?"

A little fellow shouted,

"Cause your feet ain't empty."

## 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

## Fritz HaberBorn 9 Dec 1868; died 29 Jan 1934 at age 65. German physical chemist, winner of the Nobel Prize for Chemistry (1918) for his development of a method of synthesizing ammonia (1909) directly from nitrogen and hydrogen. This led to commercial large-scale production of nitrogen fertilizer. With the expertise of Carl Bosch, a chemist working at the Badische Anilin- und Soda- Fabrik (BASF), obstacles which hindered the large-scale adoption of the process were overcome and the Haber-Bosch process was born. The Haber-Bosch high pressure process followed in the 1920s. Haber was also responsible for introducing poison gases for chemical warfare in WW I. Being a Jew, he left Germany in 1933 to go into exile in Britain, working in Cambridge at the Cavendish Laboratory. |

## Calculate the number 6608

NUMBERMANIA: Calculate the number 6608 using numbers [5, 7, 3, 7, 48, 614] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.#brainteasers #math #numbermania

## Find number abc

If 10218 + 6bbc6 = 7b7ba 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 4033

NUMBERMANIA: Calculate the number 4033 using numbers [5, 5, 4, 5, 61, 824] 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 (1, 2, 3, 6, 18, 19, 22, 32, 33, 34, 36) 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 aa2ba - c87b1 = 550c find number abc. Multiple solutions may exist.#brainteasers #math