Calculate the number 455
[5259] Calculate the number 455 - NUMBERMANIA: Calculate the number 455 using numbers [8, 1, 6, 1, 54, 662] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 12 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 455

NUMBERMANIA: Calculate the number 455 using numbers [8, 1, 6, 1, 54, 662] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Girls Night Out...

The other night, I was invited out for a night with "the girls." I told my husband that I would be home by midnight. "I promise," were my last words.

The hours passed and the margaritas went down way too easily and around 3 a.m. we piled into a cab and headed to our respective homes, quite inebriated.

Just as I walked through the door, the cuckoo clock in the hall started up and cuckooed 3 times!

Realizing that my husband would probably wake up to this, I quickly cuckooed another 9 times. I was quit pleased with myself for coming up with such a quick witted solution to cover up my tardiness. Even with my impaired judgment, I could count 3 cuckoos plus 9 cuckoos equaled 12 cuckoos!

The next morning, my husband asked me what time I got in, and confidently, I replied, "Midnight...like I promised." He didn't even raise and eyebrow and went on reading the morning paper! Phew! Got away with that one!

After a moment, he then replied, "I think we might need a new cuckoo clock."

A bit nervously, I asked him why, to which he responded:

"Well, last night our clock cuckooed 3 times, then said, 'Oh, crap,' cuckooed 4 more times, cleared it's throat, cuckooed another 3 times, giggled, cuckooed twice more, then tripped over the coffee table and farted."

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Leaded gasoline

In 1921, tetraethyl lead was first given a laboratory test as an anti-knock additive to gasoline fuel. The knock in the one-cylinder laboratory engine was utterly silenced. Even at a strength of only 2-3g grams per gallon (1000 to 1 dilution), it had a remarkable ability to quiet the relentless knocking. This invention of Thomas Midgley, Jr., of the General Motors Research Laboratories, located in Dayton, Ohio, was first put on public sale as ethyl gasoline in the same city on 2 Feb 1923. This invention of leaded gasoline came after seven years of testing at least 33,000 compounds. Previously, on hard acceleration, an engine sometimes made knocking, popping or crackling sounds, which sapped power and could damage the engine.
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