BRAIN TEASERS

# What is the 4 digit number i...

What is the 4 digit number in which the first digit is one-fifth of the last, and the second and third digits are the last digit multiplied by 3?
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles

### A Labor Day Beer

My boss made me go into the office on Labor Day. Halfway through the day, he came in to check up on me and caught me having a beer.
He said to me, "You can't drink while you're working."
I said, "Oh, don't worry - I'm not working."

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### Conjunction of the planets

In 2040, the first visible conjunction during the 21st century of the crescent Moon with the five naked-eye visible planets - Mercury, Venus, Mars, Jupiter and Saturn - will occur. They will be seen clustered within a small distance of each other in the early evening sky, well east of the sun. When a similar grouping happened in the sky on 5 May 2000, the Moon and the same five planets were lost to view because of the glare of the Sun from among them.«[Image: artist's conception of the conjunction within 9º of the moon and three planets (Mars, Jupiter and Saturn) as viewed on 6 Apr 2000.]
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