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If it takes 3 days for 10 workers to finish building one house, how long will it take 15 workers to finish 4 houses?
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RejiG commented on the doc Discover the Real Truth How to Sharpen Your Mind Memory with Ease in the group
Mental Measurement
Good eBook. Free to download
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RejiG created the doc Discover the Real Truth How to Sharpen Your Mind Memory with Ease in the group
Mental Measurement
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Hardest Math Problems That Remain Unsolved
One of the biggest unsolved mysteries in math is also very easy to write. Goldbach’s Conjecture is, “Every even number (greater than two) is the sum of two primes.” You check this in your head for small numbers: 18 is 13+5, and 42 is 23+19. Computers have checked the Conjecture for numbers up to some…Read More
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” This being human is a guest house. Every morning is a new arrival. A joy, a depression, a meanness, some momentary awareness comes as an unexpected visitor…Welcome and entertain them all. Treat each guest honorably. The dark thought, the shame, the malice, meet them at the door laughing, and invite them in. Be grateful for whoever comes,…Read More
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