Calculate the number 407
[3890] Calculate the number 407 - NUMBERMANIA: Calculate the number 407 using numbers [4, 3, 4, 8, 36, 299] 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 Eugenio G. F. de Kereki
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Calculate the number 407

NUMBERMANIA: Calculate the number 407 using numbers [4, 3, 4, 8, 36, 299] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 18
The first user who solved this task is Eugenio G. F. de Kereki.
#brainteasers #math #numbermania
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Once upon a time Dracula decid...

Once upon a time Dracula decided to carry some sort of a competition to see which is the finest bat to stand on his side. So all the bats were honored to take part. The rules were simple. Whichever bat drinks more blood, will be the winner? So the first bat goes and comes back after 10 minutes. Her mouth was full of blood. Dracula says: "Congratulations, how did you do that?" The bat said: "Do you see that tower? Behind it there is a house. I went in and sucked the blood of all the family". "Very good" said Dracula. The second bat goes and comes back after 5 minutes all her face covered in blood. Dracula astonished says, "How did you do that?" The bat replies " Do you see that tower? Behind it there is a school. I went in and drunk the blood of all the children". "Impressive" said Dracula. Now the third bat goes and comes back after three minutes literally covered in blood from top to toe. Dracula is stunned. "How on earth did you do that????" he asked. And the bat replies. "Do you see this tower?" Dracula replies with a yes. And the bat says "Well, I didn't".
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Land rocket vehicle

In 1979, the first rocket automobile vehicle claimed to break the sound barrier on land was driven by stunt driver Stan Barrett who reached 739.7 mph (faster than the speed of sound) on a 3-mile test-strip at Rogers Lake, Edwards Air Force Base, California. His 3-wheel vehicle had a 48,000 h.p. rocket boosted by a 12,000 h.p. Sidewinder missile. It was stopped by a drag parachute. The needlenosed car cost about $800,000. (The speed record never became official because the average of two runs is required, and the car never ran again. Further, the car's fuel load was insufficient to enable it to complete a measured mile at record speed, and the rocket engines could not be readied for a return run within the stipulated 1 hour period.)[Image: top, rear view: (source)bottom, nose view: (source)]
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