Calculate the number 7633
[1256] Calculate the number 7633 - NUMBERMANIA: Calculate the number 7633 using numbers [7, 7, 8, 3, 33, 513] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 29 - The first user who solved this task is Sanja Šabović
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Calculate the number 7633

NUMBERMANIA: Calculate the number 7633 using numbers [7, 7, 8, 3, 33, 513] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 29
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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The Chinese Doctor & The Lawyer

A Chinese Doctor can't find a job in a Hospital in the US, so he opens his own clinic and puts a sign outside
'GET TREATMENT FOR $20 - IF NOT CURED GET BACK $100.'
An American lawyer thinks this is a great opportunity to earn $100 and goes to the clinic.
Lawyer: 'I have lost my sense of taste.'
Chinese: 'Nurse, bring medicine from box No. 22 and put 3 drops in patient's mouth.'
Lawyer: 'Ugh. this is kerosene.'
Chinese: 'Congrats, your sense of taste is restored. Give me $20.'
The annoyed lawyer goes back after a few days to recover his money.
Lawyer: 'I have lost my memory. I cannot remember anything.'
Chinese: 'Nurse, bring medicine from box no. 22 and put 3 drops in his mouth.'
Lawyer (annoyed): 'This is kerosene. You gave this to me last time for restoring my taste.'
Chinese: 'Congrats. You got your memory back. Give me $20.'
The fuming lawyer pays him, and then comes back a week later determined to get back $100.
Lawyer: 'My eyesight has become very weak I can't see at all.'
Chinese: 'Well, I don't have any medicine for that, so take this $100.'
Lawyer (staring at the note): 'But this is $20, not $100!!'
Chinese: 'Congrats, your eyesight is restored. Give me $20'

 

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Dvorak keyboard

In 1936, the Dvorak typewriter keyboard was patented in the U.S. by Dvorak and Dealey (Patent No. 2,040,248). The efficiency experts August Dvorak (a cousin of the composer) and William Dealey studied the typewriter to determine that they could arrange the keys in a new way which would speed up the operators of the typewriter. They designed a keyboard to maximize efficiency by placing common letters on the home row, and make the stronger fingers of the hands do most of the work. By contrast, the original QWERTY layout was designed for the earlier, less efficient typewriters. Previously, speed would result in two type bars hitting each other in their travel, so the original keyboard was laid out to reduce collisions.
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