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the answer could be between 30 and 40 and we need to round off...so even decimal point numbers make difference here....even to guess... so we need to calcuate so hope it is no good for 2 minutes solving ...that also at the end of the set ....unwise thanks
Re: GMAT Diagnostic Test Question 45
[#permalink]
09 Dec 2010, 16:43
I believe there is a mistake in wording the question. It needs to be stated that x represents the weight of each box, and that each subsequent box weights x-x%, and perhaps even give example:
If box weighs 29kg, then the next box will weigh 29kg - 29%. With this, it is easier to comprehend. From the original stem, i concluded that each subsequent box weighs 10% less than the previous one, hence, 10, 9, 8,1, 7.29, and finally 6.561... (if my calculations are correct). Bottom line, we need to make sure that x changes with the weight of each box, and is not at constant 10%.
Re: GMAT Diagnostic Test Question 45
[#permalink]
07 Jun 2012, 03:12
I saw this question in the new GMAT club test, which doesn't have % signal, making the question very akward: 5 boxes are placed in a stack by weight from lightest to heaviest. The heaviest box weighs x kg and then next heaviest weighs x less than the heaviest box and the next heaviest box weighs x−x less than the next heaviest, and so on. If the heaviest box weighs 10kg, approximately what percent less weight is the lightest box than the heaviest one? Please correct the question poll, Admin.
5 boxes are placed in a stack by weight from lightest to
[#permalink]
07 Jun 2012, 09:19
5 boxes are
Code:
placed
in a stack by weight from lightest to heaviest. The heaviest box weighs x kg and then nextheaviest weighs x less than the
Edit: heaviest
box and the next heaviest box weighs x−x less than the next heaviest, and so on. If the heaviest box weighs 10kg, approximately what percent less weight is the lightest box than the heaviest one?
A 30 B 40 C 50 D 60 E 70
Archived Topic
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Re: 5 boxes are placed in a stack by weight from lightest to
[#permalink]
07 Jun 2012, 09:20
manulath wrote:
5 boxes are placed in a stack by weight from lightest to heaviest. The heaviest box weighs x kg and then next heaviest weighs x less than the heaviest box and the next heaviest box weighs x−x less than the next heaviest, and so on. If the heaviest box weighs 10kg, approximately what percent less weight is the lightest box than the heaviest one?
Re: 5 boxes are placed in a stack by weight from lightest to
[#permalink]
07 Jun 2012, 12:23
manulath wrote:
5 boxes are placed in a stack by weight from lightest to heaviest. The heaviest box weighs x kg and then next heaviest weighs x less than the heaviest box and the next heaviest box weighs x−x less than the next heaviest, and so on. If the heaviest box weighs 10kg, approximately what percent less weight is the lightest box than the heaviest one?
Re: 5 boxes are placed in a stack by weight from lightest to
[#permalink]
07 Jun 2012, 12:29
Expert Reply
manulath wrote:
5 boxes are placed in a stack by weight from lightest to heaviest. The heaviest box weighs x kg and then next heaviest weighs x less than the heaviest box and the next heaviest box weighs x−x less than the next heaviest, and so on. If the heaviest box weighs 10kg, approximately what percent less weight is the lightest box than the heaviest one?
A 30 B 40 C 50 D 60 E 70
This question is removed from the tests. So, don't worry about it.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
5 boxes are placed in a stack by weight from lightest to heaviest. The heaviest box weighs x kg and then next heaviest weighs x less than the heaviest box and the next heaviest box weighs x−x less than the next heaviest, and so on. If the heaviest box weighs 10kg, approximately what percent less weight is the lightest box than the heaviest one? 30 40 50 60 70
Has anyone else had difficulty with this question and it's explaination? Rephrasing the question we're told that the heaviest box = x kgs, and x = 10. The second heaviest box weighs x less, which to me means x-x kgs, or 0 kg.
Also, in the explaination it's hard to follow the order of the deductions because the second heavies box is listed as x-x whilst the others are listed numerically.
I wonder if there is a missing x/10 somewhere, or perhaps its implied and I've missed it. Interested in your thoughts
B.
Archived Topic
Hi there,
Archived GMAT Club Tests question - no more replies possible.
5 boxes are placed in a stack by weight from lightest to heaviest. The heaviest box weighs x kg and then next heaviest weighs x less than the heaviest box and the next heaviest box weighs x−x less than the next heaviest, and so on. If the heaviest box weighs 10kg, approximately what percent less weight is the lightest box than the heaviest one? 30 40 50 60 70
Has anyone else had difficulty with this question and it's explaination? Rephrasing the question we're told that the heaviest box = x kgs, and x = 10. The second heaviest box weighs x less, which to me means x-x kgs, or 0 kg.
Also, in the explaination it's hard to follow the order of the deductions because the second heavies box is listed as x-x whilst the others are listed numerically.
I wonder if there is a missing x/10 somewhere, or perhaps its implied and I've missed it. Interested in your thoughts
B.
This question will be removed from the tests soon, so I wouldn't worry about it at all.
Archived Topic
Hi there,
Archived GMAT Club Tests question - no more replies possible.
Re: GMAT Diagnostic Test Question 45
[#permalink]
11 Feb 2013, 16:42
thuylinh wrote:
I saw this question in the new GMAT club test, which doesn't have % signal, making the question very akward: 5 boxes are placed in a stack by weight from lightest to heaviest. The heaviest box weighs x kg and then next heaviest weighs x less than the heaviest box and the next heaviest box weighs x−x less than the next heaviest, and so on. If the heaviest box weighs 10kg, approximately what percent less weight is the lightest box than the heaviest one? Please correct the question poll, Admin.
Same question without % sign appeared in a test ( D01-45) for me as well.
Re: GMAT Diagnostic Test Question 45
[#permalink]
16 Jun 2013, 22:20
Is there a formula-based method for something like this? I solved it by calculating each weight individually, but wouldn't want to get stuck with an exam question that asks for weight of 10th box, or 30th box. Or would be beyond the scope of the GMAT?
Re: GMAT Diagnostic Test Question 45
[#permalink]
16 Jun 2013, 22:31
Expert Reply
Dixon wrote:
Is there a formula-based method for something like this? I solved it by calculating each weight individually, but wouldn't want to get stuck with an exam question that asks for weight of 10th box, or 30th box. Or would be beyond the scope of the GMAT?
This question was removed from the tests. So, I wouldn't worry about it at all.
Archived Topic
Hi there,
Archived GMAT Club Tests question - no more replies possible.
Re: GMAT Diagnostic Test Question 45
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24 Oct 2023, 05:47
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