What a winning combination?
[2830] What a winning combination? - The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot. - #brainteasers #mastermind - Correct Answers: 69 - The first user who solved this task is On On Lunarbasil
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 69
The first user who solved this task is On On Lunarbasil.
#brainteasers #mastermind
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April Fool's Day - Suggestions

1. Put marbles in the hubcaps of someone’s car.
2. Leave cryptic notes warning someone of an impending prank then do nothing all day.
3. Rubber band the sprayer on the kitchen sink into the “on” position.
4. Place a pair of pants and shoes inside the only toilet stall in a rest room to make it appear someone is using it all day.
5. Pour vegetable oil on the exhaust of someone’s car so it will smoke when started up.
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Portland cement

In 1824, in Yorkshire, England, Joseph Aspdin, a stone mason, patented Portland cement, made by burning finely pulverized lime and clay at high temperatures in kilns (UK patent No. 5022). Thus Aspdin had made a manufactured counterpart to natural or Roman cement - a crude formulation of lime and volcanic ash used as early as 27 BC. Aspdin produced a hydraulic cement that would harden with the addition of water. He named his invention "Portland cement" not only to distinguish it from Roman cement, but also as a marketing tool: concrete made from his new cement resembled a highly prized building stone quarried on the Isle of Portland off the British coast. Like flour in a fruit cake, cement glues aggregate (sand or gravel) together to make a "rock" (concrete).
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