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Double Vs Twice

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Double Vs Twice Post Sun Aug 03, 2008 8:06 am
Elapsed Time: 00:00
  • Lap #[LAPCOUNT] ([LAPTIME])
    A survey by the National Council of Churches showed that in 1986 there were 20,376 female ministers, almost 9 percent of the nation's clergy, twice as much as 1977.

    (A) twice as much as 1977
    (B) twice asn many as 1977
    (C) double what it was in 1977
    (D) double the figure for 1977
    (E) a number double that of 1977's

    OA- D

    Can somebody, pls summarize the difference between Double and Twice.
    I came across number of questions, each with different logic. I know Double is an adjective and twice is an adverb and that "twice as many" is preferred idiom.

    Apart from the above can any expert pls summarize the usage of twice and double.

    Stuart...pls help..........................

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    ildude02 GMAT Destroyer! Default Avatar
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    Post Sun Aug 03, 2008 9:07 am
    here, D is correct because all the other choices are wrong. a and b compare the number of families to the year 1977 . b would have been correct if it were, "as many as in 1977". a is also wrong since "much" is wrong with countable objects. Cs "it was" doesnt have an antecedent. Choice E's possesive "1977's" makes the comparision illogicalis and it should be "that of 1977".

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    aj5105 GMAT Titan Default Avatar
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    Post Thu Jun 04, 2009 5:28 am
    Can somebody please explain why (C) is wrong?

    Help appreciated.

    Post Thu Jun 04, 2009 9:31 am
    Hi Aj5015

    c IS incorrect because the 'it' is ambiguous.It would refere to the percentage or to the number .Hence, D is the best answer

    hemanth28 Really wants to Beat The GMAT!
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    Post Thu Jun 04, 2009 10:43 am
    sanjaylakhani wrote:
    A survey by the National Council of Churches showed that in 1986 there were 20,376 female ministers, almost 9 percent of the nation's clergy, twice as much as 1977.

    (A) twice as much as 1977
    (B) twice asn many as 1977
    (C) double what it was in 1977
    (D) double the figure for 1977
    (E) a number double that of 1977's

    OA- D

    Can somebody, pls summarize the difference between Double and Twice.
    I came across number of questions, each with different logic. I know Double is an adjective and twice is an adverb and that "twice as many" is preferred idiom.

    Apart from the above can any expert pls summarize the usage of twice and double.

    Stuart...pls help..........................
    Expert opinion please ..

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    umaa GMAT Destroyer! Default Avatar
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    Post Thu Jun 04, 2009 11:43 am
    sanjaylakhani wrote:
    A survey by the National Council of Churches showed that in 1986 there were 20,376 female ministers, almost 9 percent of the nation's clergy, twice as much as 1977.

    (A) twice as much as 1977
    (B) twice asn many as 1977
    (C) double what it was in 1977
    (D) double the figure for 1977
    (E) a number double that of 1977's

    OA- D

    Can somebody, pls summarize the difference between Double and Twice.
    I came across number of questions, each with different logic. I know Double is an adjective and twice is an adverb and that "twice as many" is preferred idiom.

    Apart from the above can any expert pls summarize the usage of twice and double.

    Stuart...pls help..........................
    A - Wrong - It should be "Twice as many as IN 1977"; Also, as MUCH as is wrong. It should be as many as - numbers

    B - Wrong - It should be "Twice as many as IN 1977"
    C - There is no proper reference for IT
    D - Correct answer; We can use double based on the meaning.

    Twise as much as 1:2
    Double the figure for 1:3
    Even though this answer is not clear, its the only option which sounds ok.

    E - that of 1977's; It should be that of 1977 or 1977's

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