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The corn crops of Moses, each of which is 27 acres, have [#permalink]
02 Jun 2012, 04:45

3

This post was BOOKMARKED

00:00

A

B

C

D

E

Difficulty:

85% (hard)

Question Stats:

58% (03:31) correct
42% (02:36) wrong based on 154 sessions

The corn crops of Moses, each of which is 27 acres, have been damaged by the rootworm pest. 3/11 of Cornfield A has been destroyed. While 8/25, of the crop in cornfields B and C was lost. Cornfield D has been totally ruined and only 1/9 of cornfield E was left undamaged. 1/6 and 1/7of cornfields F and G were damaged, respectively. Which of the following is the closest approximation for the number of unharmed acres in Moses' cornfields ?

Re: The corn crops of Moses, each of which is 27 acres, have [#permalink]
02 Jun 2012, 05:00

2

This post received KUDOS

Expert's post

Joy111 wrote:

The corn crops of Moses, each of which is 27 acres, have been damaged by the rootworm pest. 3/11 of Cornfield A has been destroyed. While 8/25, of the crop in cornfields B and C was lost. Cornfield D has been totally ruined and only 1/9 of cornfield E was left undamaged. 1/6 and 1/7of cornfields F and G were damaged, respectively. Which of the following is the closest approximation for the number of unharmed acres in Moses' cornfields ?

A. 57 B. 84 C. 105 D. 111 E. 126

The number of unharmed acres would be \((\frac{8}{11}+\frac{17}{25}+\frac{17}{25}+\frac{1}{9}+\frac{5}{6}+\frac{6}{7})*27\approx{(0.7+0.7+0.7+0.1+0.8+0.9)*27}\approx{3.9*27}\) --> 4*27=108, so 3.9*27 is slightly less than that.

Re: The corn crops of Moses, each of which is 27 acres, have [#permalink]
02 Jun 2012, 05:15

Bunuel wrote:

Joy111 wrote:

The corn crops of Moses, each of which is 27 acres, have been damaged by the rootworm pest. 3/11 of Cornfield A has been destroyed. While 8/25, of the crop in cornfields B and C was lost. Cornfield D has been totally ruined and only 1/9 of cornfield E was left undamaged. 1/6 and 1/7of cornfields F and G were damaged, respectively. Which of the following is the closest approximation for the number of unharmed acres in Moses' cornfields ?

A. 57 B. 84 C. 105 D. 111 E. 126

The number of unharmed acres would be \((\frac{8}{11}+\frac{17}{25}+\frac{17}{25}+\frac{1}{9}+\frac{5}{6}+\frac{6}{7})*27\approx{(0.7+0.7+0.7+0.1+0.8+0.9)*27}\approx{3.9*27}\) --> 4*27=108, so 3.9*27 is slightly less than that.

Re: The corn crops of Moses, each of which is 27 acres, have [#permalink]
04 Nov 2012, 13:18

Ousmane wrote:

To read it only takes more than 2minutes. Is this GMAT stuff? Brother Karamazov

as mentioned seems poor quality, but as you can see the source , its assumed to be a GMAT type . It's part of a free Diagnostic test offered by them, so understandably it has got to be Hard so that you prepare well.

Re: The corn crops of Moses, each of which is 27 acres, have [#permalink]
02 Jan 2013, 03:09

Joy111 wrote:

Ousmane wrote:

To read it only takes more than 2minutes. Is this GMAT stuff? Brother Karamazov

as mentioned seems poor quality, but as you can see the source , its assumed to be a GMAT type . It's part of a free Diagnostic test offered by them, so understandably it has got to be Hard so that you prepare well.

It s wordy. B and C i understood the sum was 17/25 unharmed. Not each of the field.

Re: The corn crops of Moses, each of which is 27 acres, have [#permalink]
23 Dec 2013, 06:07

R26 wrote:

Joy111 wrote:

Ousmane wrote:

To read it only takes more than 2minutes. Is this GMAT stuff? Brother Karamazov

as mentioned seems poor quality, but as you can see the source , its assumed to be a GMAT type . It's part of a free Diagnostic test offered by them, so understandably it has got to be Hard so that you prepare well.

It s wordy. B and C i understood the sum was 17/25 unharmed. Not each of the field.

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