Calculate the number 1281
[4666] Calculate the number 1281 - NUMBERMANIA: Calculate the number 1281 using numbers [2, 4, 1, 5, 72, 715] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 18 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 1281

NUMBERMANIA: Calculate the number 1281 using numbers [2, 4, 1, 5, 72, 715] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 18
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Chinese Business Trip

A man went on a business trip to China and wanted to buy some gifts for his kids. He went to a shop and found a nice looking CD player. Wary of buying inferior goods, he asked the shopkeeper, 'What would happened if this does not work?'
The shopkeeper quietly points to the only sign in English that reads, 'GUARANTEE NO SPOILT'.
Feeling assured, he paid for the CD player and returns to his hotel. He tried to use the CD player after returning to the hotel but it would not even switch on.
He quickly return to the shop and asked for a refund or an exchange for another unit. When the shopkeeper refused to give either, the man points to the sign assuring him of a guarantee.
The shopkeeper then said, 'Brother, you are in China. We read from the right to the left.'

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Rodney Porter

Born 8 Oct 1917; died 7 Sep 1985 at age 67.British biochemist who (with Gerald M. Edelman) was awarded the 1972 Nobel Prize in Physiology or Medicine for discoveries concerning the chemical structure of antibodies. As giant molecules, antibodies are difficult to study. Both scientists looked for methods to split the large molecules into well defined fragments that, it was hoped, would prove to be more easily handled. Porter found that this could be done using papain, a protein splitting enzyme. Whereas previously it had earlier been assured that the most common type of antibody would carry two identical combining sites, Porter in fact found that the molecule split into three fragments: two smaller very similar ones, both with capacity of combining with the antigen, and one larger one lacking this capacity. He died in a car accident.
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