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# That the application of new technology can increase the productivity o

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Re: That the application of new technology can increase the productivity o [#permalink]

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17 Jan 2012, 07:42
sap wrote:
bibha wrote:
can someone explain why C is wrong?

I will give you a simple analogy, try and relate that to the problem at hand

I got wet, even though it dint rain.

Now think what it concludes
1. I got wet due to something else, other than rain ( I DID NOT GET WET DUE TO RAIN )
OR
2. If it rained I would have got wet -- can you really conclude this ? Will this happen 100% of times that WHEVENER it rains you will get wet ?

My example doesnt even talk about raining, can we still conclude something which is not given in the text ?

On the same lines
production / miner improved, even though new start ups dint come up

CONCLUSION -- production / miner DID NOT / WOULD NOT HAVE IMPROVE(D) DUE TO NEW START UPS IT IMPROVED DUE TO TECHNOLOGY

does it make sense ?

Theoretically C could be possible, but there is nothing in the argument that supports this possibility.
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Re: That the application of new technology can increase the productivity o [#permalink]

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26 Jan 2012, 04:26
That the application of new technology can increase the productivity of existing coal mines is demonstrated by the case of Tribnia’s coal industry. Coal output per miner in Tribnia is double what it was five years ago, even though no new mines have opened.
$$\frac{C o 5yrs ago}{N5 yrs ago}$$ = $$2*\frac{C o now}{Nnow}$$
Draw a Conclusion: For such questions, we should not assume anything other than what is given in the premises.
A. If the number of miners working in Tribnian coal mines has remained constant in the past five years, Tribnia’s total coal production has doubled in that period of time. Only option that can be logically inferred without any assumptions.
B. Any individual Tribnian coal mine that achieved an increase in overall output in the past five years has also experienced an increase in output per miner. Out of Scope. Nothing about individual coal mines is mentioned.
C. If any new coal mines had opened in Tribnia in the past five years, then the increase in output per miner would have been even greater than it actually was.Further assumption required.Out
D. If any individual Tribnian coal mine has not increased its output per miner in the past five years, then that mine’s overall output has declined or remained constant. It may be possible that the number of workers has declined. Out.
E. In Tribnia the cost of producing a given quantity of coal has declined over the past five years. Out of Scope. Nothing about price mentioned.

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Re: That the application of new technology can increase the productivity o [#permalink]

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20 Nov 2013, 05:06
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Re: That the application of new technology can increase the productivity o [#permalink]

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20 Nov 2013, 13:13
Indeed, D is a very attractive answer choice, but it's a trap to those who didn't get the stem. This is a "must be true" question, in other words, the stimulus contains only facts (accepted as true) and each answer choice will state a conclusion. In answer D, the constant number of miners cannot be taken for granted as the output per miner increased, despite the fact that output remained constant. Therefore, D is not a good answer choice.

tgt7xx wrote:
Can someone tell how to eliminate "D" ?
If any individual Tribnian coal mine has not increased its output per miner in the
past five years, then that mine’s overall output has declined or remained
constant."

This has to be true as number of miners has remained constant...

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Re: That the application of new technology can increase the productivity o [#permalink]

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21 Nov 2013, 19:34
Good One;
The passage states that;
Tech leds to increased production leads to 2x coal/ miner than five years ago; no new mines opened.
A. If the number of miners working in Tribnian coal mines has remained constant in the past five years, Tribnia's total coal production has doubled in that period of time.
I guess this exactly concludes the statement that no. of miners are constant hence the technology is effective to increase the proaction / miner to double in five years.

B. Any individual Tribnian coal mine that achieved an increase in overall ouput in the past five years has also experienced an increase in output per miner.- Reverse logic trap; if A is increased and B is unit of A ; so B increased.

C. If any new coal mines had opened in Tribnia in the past five years, then the increase in output per miner would have been even greater than it actually was. Irrelevant comparison

D. If any individual Tribnian coal mine has not increased its output per miner in the past five years, then that mine's overall output has declined or remained constant. Reverse logic trap; if A is not increased and A has no. of B then B is not increased

E. In Tribnia the cost of producing a given quantity of coal has declined over the past five years. Distraction The price is not discussed in the passage. Sort of out of scope option.

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Re: That the application of new technology can increase the productivity o [#permalink]

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03 Jan 2015, 13:02
The last part of argument states that "Coal output per miner in Tribnia is double what it was five years ago, even though no new mines have opened."

Then why cant C be the conclusion?
It states, C. If any new coal mines had opened in Tribnia in the past five years, then the increase in output per miner would have been even greater than it actually was.

This is a correct one as well right? The technology has doubled the production, which improved prod per miner(PPM). If any new mines had opened, then PPM would have been greater than now...

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Re: That the application of new technology can increase the productivity o [#permalink]

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06 Sep 2017, 12:05
That the application of new technology can increase the productivity of existing coal mines is demonstrated by the case of Tribnia's coal industry. Coal output per miner in Tribnia is double what it was five years ago, even though no new mines have opened.

Which of the following can be properly concluded from the statement about coal output per miner in the passage?

Boil it down - the average coal output per miner, for ALL of tribinia, has doubled over the last 5 years.
that's it.
this means that there could be vast differences between miners; this is only a national average. in particular, it is totally possible that some miners, and some mines, are LESS productive than they were 5 years ago.

...and no new mines have opened.
however, the existing miners could have added, or laid off, miners. there is no information in the passage about the # of workers at each mine.
in fact, there could now be 100 times as many miners as there were before, at every mine.
or 1% as many as before. we have no idea at all.

A. If the number of miners working in Tribnian coal mines has remained constant in the past five years, Tribnia's total coal production has doubled in that period of time.- Correct

B. Any individual Tribnian coal mine that achieved an increase in overall ouput in the past five years has also experienced an increase in output per miner. Incorrect - you can't assume that the NATIONAL trend applies to INDIVIDUAL mines

C. If any new coal mines had opened in Tribnia in the past five years, then the increase in output per miner would have been even greater than it actually was. - Out of scope

D. If any individual Tribnian coal mine has not increased its output per miner in the past five years, then that mine's overall output has declined or remained constant. - Incorrect

E. In Tribnia the cost of producing a given quantity of coal has declined over the past five years.- Irrelevant - cost of producing is not even discussed

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That the application of new technology can increase the productivity o [#permalink]

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18 Oct 2017, 07:46
buckkitty wrote:
That the application of new technology can increase the productivity of existing coal mines is demonstrated by the case of Tribnia's coal industry. Coal output per miner in Tribnia is double what it was five years ago, even though no new mines have opened.

Which of the following can be properly concluded from the statement about coal output per miner in the passage?

(A) If the number of miners working in Tribnian coal mines has remained constant in the past five years, Tribnia's total coal production has doubled in that period of time.

(B) Any individual Tribnian coal mine that achieved an increase in overall ouput in the past five years has also experienced an increase in output per miner.

(C) If any new coal mines had opened in Tribnia in the past five years, then the increase in output per miner would have been even greater than it actually was.

(D) If any individual Tribnian coal mine has not increased its output per miner in the past five years, then that mine's overall output has declined or remained constant.

(E) In Tribnia the cost of producing a given quantity of coal has declined over the past five years.

Main Point (MP) Questions:

Main Point questions are a variant of Must Be True questions. As you might expect, a Main Point question asks you to find the primary conclusion made by the author.

Identify the conclusion of the argument, and the correct answer choice to these problems will be a rephrasing of the main conclusion of the argument.

Two types of answers often appear in Main Point questions. Both are incorrect:

1. Answers that are true but do not encapsulate the author’s point.
2. Answers that repeat premises of the argument.

Conclusion : That the application of new technology can increase the productivity of existing coal mines is demonstrated by the case of Tribnia's coal industry.

Premise : Coal output per miner in Tribnia is double what it was five years ago, even though no new mines have opened.

(A) If the number of miners working in Tribnian coal mines has remained constant in the past five years, Tribnia's total coal production has doubled in that period of time.

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That the application of new technology can increase the productivity o   [#permalink] 18 Oct 2017, 07:46

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