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If Robert types a 120 page manuscript at a rate of 50 words

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If Robert types a 120 page manuscript at a rate of 50 words [#permalink] New post 18 Mar 2005, 15:11
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If Robert types a 120 page manuscript at a rate of 50 words per minute, how long will it take him to type the manuscript?

(1) There are 240 words per page in the manuscript
(2) If the manuscript were 10 pages longer, it would take Robert 48 minutes longer to type it.
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Re: DS rates [#permalink] New post 18 Mar 2005, 15:36
cloaked_vessel wrote:
If Robert types a 120 page manuscript at a rate of 50 words per minute, how long will it take him to type the manuscript?

(1) There are 240 words per page in the manuscript
(2) If the manuscript were 10 pages longer, it would take Robert 48 minutes longer to type it.


(1) 120*240/50 .... suffices.

(2) Rob types at 10 pages every 48 mins. Which is 50 words/min. This can give us the required time IF the manuscript was uniformly worded. However this statement doesn't assure us that it is indeed the case. Thus doesn't suffice.

This gives option A as the answer.
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 [#permalink] New post 18 Mar 2005, 16:40
cloaked_vessel wrote:
OA is D on this....


Interesting. MAYBE they assume that 10 page/48 minutes gives us the rate from which we can know the time taken to finish the manuscript. BUT the first statement gives us the element of doubt that every page may not be uniformly worded.

Or maybe I am missing something.

Do you have the solution for this, cloaked_vessel?

Maybe anyone else can help?
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 [#permalink] New post 18 Mar 2005, 17:17
shud be "A", if we assume that same words/page then it will be "D"
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 [#permalink] New post 18 Mar 2005, 17:24
this question was from peterson's gmat exam. Let me type there solution word for word:

Statement 1 is sufficient (as we had stated)

Statement 2: This gives you Robert's typing rate in pages per minute. You know how many pages are in the manuscript, so having the rate in pages/minute allows you to solve:

120 pages * (48 minutes/10 pages) = typing time. Thus statement 2 is also sufficient, and the answer is D
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 [#permalink] New post 18 Mar 2005, 17:28
cloaked_vessel wrote:
this question was from peterson's gmat exam. Let me type there solution word for word:

Statement 1 is sufficient (as we had stated)

Statement 2: This gives you Robert's typing rate in pages per minute. You know how many pages are in the manuscript, so having the rate in pages/minute allows you to solve:

120 pages * (48 minutes/10 pages) = typing time. Thus statement 2 is also sufficient, and the answer is D


either the ques shud say that words/page is constant or say that typing rate per page is constant, ques wording is vague.
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Re: DS rates [#permalink] New post 19 Mar 2005, 00:20
If we go through the gmat strategy of the most of the gmat takers (7xx scorer), PETEROSON, BARONS, ARCO, DUMMIES, INSIDER'S, ALL ARE WASTE OF TIME.
I agree with them (i.e 7XX CLUB MEMBER).
Re: DS rates   [#permalink] 19 Mar 2005, 00:20
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