Please solve this problem for me?  | |  I read this somewhere I don't remember, was some magazine, not too sure. I remember the question distinctly but kinda forgot the answer. I mean I tried to memorize the digits but lost it.
The Question was:
There is this weight measuring 40kgs, which has been broken into four parts. Now, one must be able to measure any weight between 1 to 40kgs using a combination of these four parts. Also the weight of all the four parts put together must equal 40 kgs. What are the weights of the four parts?
This ain't a trick question and the answer definitely exists. Can someone help me with this please?
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| | | | | | | | 1.  exinco (125) | 11 months ago |  what is this question? quiz? lost weight tips?
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| armageddon (78) | 11 months ago | Did you not understand the question.
I have labeled it 'Quiz' now. And it's definitely not weight loss. | |
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| exinco (125) | 11 months ago | just try? 10 | |
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| unlikeyou (10) | 11 months ago |  Correct me if I'm wrong, but the numbers would be 1, 3, 9,and 27.
1= 1 (obviously), 3-1=2, 3=3, 3+1=4, 9-3-1=5, 9-3=6, 9+1-3=7, etc.
I haven't made it up through 40 quite yet, but I'll let you know when I do;)!
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| unlikeyou (10) | 11 months ago | Ok, I quickly ran through the numbers as I said I would a few minutes ago, and the 4 numbers can be combined to form any number between 1 and 40 if subtraction is allowed (i.e. placing the subtracted weights on the other side of the scale). If we are just talking about addition, I don't think it's possible. | |
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| armageddon (78) | 11 months ago | I think that indeed is the answer. When I said about combinations, I didn't necessarily mean addition it can be subtraction also. I was just trying to explain.
One more thing, how did you reach the answer. Is there a proper technique for these types of questions or simple hit and trial method? | |
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| jongdeguapito (88) | 11 months ago | Had you ever experienced a negative weight? OMG. This is a weight problem dude. | |
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| armageddon (78) | 11 months ago | There can be no negative weights, I meant the use of subtraction only during the combinations. | |
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| | | 2. jongdeguapito (88) | 11 months ago | There is no definite answer to your question bro. There are a lot of possible combination of 4 numbers that sum up to 40. Either be 10, 10, 10, & 10; or 1, 1, 1, and 37; or 5, 5, 5, and 25. Countless options. I believe there is something missing in the question. Maybe proportions from the first number to the second number and the 2nd number to the 3rd and the 3rd to the 4th.. Something like that. Solving such kind of mathematical problems would be easy provided the data provided in the problem is sufficient. | |
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| armageddon (78) | 11 months ago | The data provided in the problem is sufficient, and I assure you that nothing is missing from the problem. Happy Quizzing! | |
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