BRAIN TEASERS

# MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (4, 5, 8, 14, 15, 18, 24, 26, 27, 30) 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 On On Lunarbasil.
#brainteasers #math #magicsquare

### We noticed that all the waiter...

We noticed that all the waiters in this New York restaurant carried two spoons in their vest pocket. Naturally, we were curious. We asked a waiter why.
'Sir, as a result of an efficiency study by the management, it was determined that the most frequently dropped silverware item was a spoon. Therefore, all the waiters carry two spoons so that the item can be instantly replaced.' As he was explaining that we noticed a string hanging out of the fly of his pants. So, we asked about that.
'Sir, that's another efficiency study result. When we have to go to the bathroom, we use the string to pull ourselves out and aim. Therefore, we do not have to stop to wash our hands.' We replied, 'I understand how you can get yourself out and aim, but how do you get yourself back in.' 'Well,' replied the waiter, 'I don't know about the other guys, but I use the two spoons!'
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### Charles Atwood Kofoid

Died 30 May 1947 at age 81 (born 11 Oct 1865). American zoologist whose classification of many new species of marine protozoans helped establish systematic marine biology. Named director of the University of Illinois Biological Experiment Station in Havana, IL. (1895-1903), Kofoid investigated plankton in the river and backwater lakes. He joined the newly founded Scripps Institution of Oceanography (1903). Kofoid was a member of their scientific staff on the US Fish Commission Steamer Albatross during the Albatross Expedition (l904-5) off the coast of San Diego, CA. Two summers (1908,9), he toured the marine biological stations of Europe, buying instruments and collecting information on buildings and aquaria to help plan the San Diego Marine Biological Station.
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