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Calculate the number 1576

NUMBERMANIA: Calculate the number 1576 using numbers [5, 7, 2, 1, 36, 221] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 22

The first user who solved this task is Thinh Ddh.

#brainteasers #math #numbermania

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While going out for a ride wit...

While going out for a ride with his young daughter, a doctor notices the little girl playing with his stethoscope.
He becomes excited, thinking "My daughter is going to follow in my footsteps!"
The girl speaks into the stethoscope like a microphone, "Welcome to Burger King, may I take your order please?"

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Sir William Siemens

Died 18 Nov 1883 at age 60 (born 4 Apr 1823). Sir (Charles) William Siemens was a German-English engineer and inventor whodevisedthe “regenerative system” of using waste gases to preheat fuel gases, for the open-hearth furnace used in steel manufacturing. He was alsoimportant in the telegraph industry, apioneer in undersea cable.He assisted in the engineering of the London-Calcutta telegraph line (1869), a landmark achievement in communications.His name at birth was Carl Wilhelm Siemens, the younger brother of Ernst Werner Siemens (later ennobled asWerner von Siemens, who founded what is now the multinational Siemens company). Carl first visited England as agent for his brother to introduce an electroplating device. He returned in 1844, stayed, became a naturalized British subject in 1859, and known as Charles William Siemens until knighted as Sir William Siemens a few months before his death.«[NYT obituary gives date of death 18 Nov 1883. EB gives 19 Nov 1883.]

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