Latest book Aptitude Question SOLUTION: Eight marbles look alike, but one is slightly heavier than the others. Using a balance scale, explain how you can determine the heavier one in exactly 2 weighings.

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Previous Question: This is about factoring. With this problem I had to factor out the greatest common factor, then factor the remaining polynomial if possible: then check it. so here's the p Next Question: x^2-3x -23=5 (x^2-3x -23-5)=0 (x^2-3x-23-5)=0 (x^2-3x-28)=0 x^2 +4x -7x-28)=0 x(x+4)+ (-7) (x+4)=0 (x-7 (x+4)=0 (x-7)=0 or (x+4)=0 x=7 or x=-4

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Eight marbles look alike, but one is slightly heavier than the others. Using a balance scale, explain how you can determine the heavier one in exactly 2 weighings.: Asked In book (10 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: This is about factoring. With this problem I had to factor out the greatest common factor, then factor the remaining polynomial if possible: then check it. so here's the p Next Question: x^2-3x -23=5 (x^2-3x -23-5)=0 (x^2-3x-23-5)=0 (x^2-3x-28)=0 x^2 +4x -7x-28)=0 x(x+4)+ (-7) (x+4)=0 (x-7 (x+4)=0 (x-7)=0 or (x+4)=0 x=7 or x=-4

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