BRAIN TEASERS

# Calculate the number 1469

NUMBERMANIA: Calculate the number 1469 using numbers [5, 2, 1, 9, 43, 842] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania

### International Jazz Day Jokes

April 30th is International Jazz Day! Check some related jokes:

St. Peter in Heaven is checking ID's. He asks a man, "What did you do on Earth?"
The man says, "I was a doctor."
St. Peter says, "Okay, go right through those pearly gates. Next! What did you do on Earth?"
"I was a school teacher."
"Go right through those pearly gates. Next! And what did you do on Earth?"
"I was a musician."
"Go around the side, up the freight elevator, through the kitchenâ€¦.."

A jazz musician goes to the doctor to hear the results of a physical check up.
Doctor: I'm afraid I've got some bad news. You only have three weeks to live.
Musician: On what?

What's the difference between a rock guitarist and a jazz guitarist? The rock guitarist plays 3 chords for 1,000 people, the jazz guitarists plays 1,000 chords for 3 people.

PIANIST: "OK, I'll Remember April. First six bars in Ab. Bar 7 modulate down to F. Bar 12, back up to Ab but in 7/8."
SINGER: "That's crazy! I couldn't possibly do that!"
PIANIST: "You did last night . . . "

A couple goes to see a marriage counselor. They say their marriage is on the rocks because they never speak to each other.
The counselor tries to get them to talk, but they just sit there with their arms folded and their mouths closed.
So he pulls out his upright bass and starts taking a solo.
Instantly, the couple turns to each other and starts conversing for the first time in months.
Shocked by this, the couple asks the counselor: "How did you know that would work?"
"Simple," he says, "Everyone always talks during the bass solo."

What would you have to do to make a jazz musician feel bad about their playing?
Absolutely nothing.

#internationaljazzday

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## Brain Teasers

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### Carborundum furnace

In 1896, Edward G. Acheson was issued a U.S. patent for an electric furnace used to produce carborundum (silicon carbide), one of the hardest industrial substances (No. 560,291). The furnace used an electric current passed through a core of carbon rods to produce a strong heating effect resulting from their resistance.«
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