Calculate the number 1309
[925] Calculate the number 1309 - NUMBERMANIA: Calculate the number 1309 using numbers [5, 3, 5, 6, 81, 730] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 31 - The first user who solved this task is Sanja Šabović
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Calculate the number 1309

NUMBERMANIA: Calculate the number 1309 using numbers [5, 3, 5, 6, 81, 730] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 31
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Chain Saw

Bubba decided it was time to purchase a new saw to help clear his heavily timbered property. A salesman showed him the latest model chain saw and assured him that he could easily cut three or four cords of wood per day with it. But the first day, Bubba barely cut one cord of wood. The second morning he arose an hour earlier and managed to cut a little over one cord. The third day he got up even earlier but only managed to achieve a total of 1 ½ cords of wood.
Bubba returned the saw to the store the next day and explained the situation.
"Well", said the salesman, "let’s see what’s the matter." He then pulled the cable and the chain saw sprang into action.
Leaping back, Bubba shouted, "What the heck is that noise?"  

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Sir James Dyson

Born 2 May 1947. English engineer and industrial designer whose inventions include the Dual Cyclone bagless vacuum cleaner and the Airblade hand dryer. He founded Dyson Research Ltd. in 1979. Since 1970, when he re-invented the wheelbarrow as his Ballbarrow, he pursued his passion to create new products that function better than anything before them. He launched a bagless vacuum cleaner made and sold in Japan in 1986. When introduced in Britain in 1993, his vacuum cleaner became the country's best-selling by early 1995. Similarly, when sold in the U.S. from 2002, it captured 20% of the market by early 2005. His company now employs about 1400 people to develop new, more practical inventions.«
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