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# A major technological advance, the Mars rovers employ an innovative th

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Director
Joined: 23 Feb 2015
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A major technological advance, the Mars rovers employ an innovative th  [#permalink]

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24 Mar 2017, 19:34
1
00:00

Difficulty:

35% (medium)

Question Stats:

59% (01:30) correct 41% (01:56) wrong based on 82 sessions

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A major technological advance, the Mars rovers employ an innovative three-layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel.
A. A major technological advance, the Mars rovers employ an innovative three-layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel
B. A major technological advance, the Mars rovers employ an innovative three-layered solar panel array that will absorb more sunlight and provide more power then the typical single layer panel.
C. The Mars rovers, a major technological advance, employ an innovative three-layered solar panel array that can absorb more sunlight and provide more power than what the typical single layer panel is able to provide.
D. The Mars rovers employ an innovative three-layered solar panel array, a major technological advance, that can absorb more sunlight and provide more power than the typical single layer panel can.
E. The Mars rovers employ an innovative major technological advance, that is the three layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel.

Source: McGraw-Hill's GMAT

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A major technological advance, the Mars rovers employ an innovative th  [#permalink]

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24 Mar 2017, 21:41
A major technological advance, the Mars rovers employ an innovative three-layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel.

A. A major technological advance, the Mars rovers employ an innovative three-layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel

'the Mars rovers employ an innovative three-layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel' - is it technical advance? NOT.

B. A major technological advance, the Mars rovers employ an innovative three-layered solar panel array that will absorb more sunlight and provide more power then the typical single layer panel.
'then' ? Wrong.

C. The Mars rovers, a major technological advance, employ an innovative three-layered solar panel array that can absorb more sunlight and provide more power than what the typical single layer panel is able to provide.

The Mars rovers- not a major technological advance.

D. The Mars rovers employ an innovative three-layered solar panel array, a major technological advance, that can absorb more sunlight and provide more power than the typical single layer panel can.
innovative three-layered solar panel array is a major technological advance.
Correct.

E. The Mars rovers employ an innovative major technological advance, that is the three layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel.

bad sentence construction. Also, The Mars rovers does not employ innovative major ..

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Re: A major technological advance, the Mars rovers employ an innovative th  [#permalink]

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25 Mar 2017, 12:05
Why choice A is incorrect? I really don't know what Mars rovers is, so can I not assume that Mars rover is a "major technological advance"??

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Re: A major technological advance, the Mars rovers employ an innovative th  [#permalink]

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26 Mar 2017, 01:34
1
AR15J wrote:
Why choice A is incorrect? I really don't know what Mars rovers is, so can I not assume that Mars rover is a "major technological advance"??

Hi AR15J
you can also cross out option A for the wrong use of WHICH. You must have to use a COMMA before WHICH-that's the rules of GMAC as far I know.
Thank you...
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Re: A major technological advance, the Mars rovers employ an innovative th  [#permalink]

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26 Mar 2017, 02:49
iMyself wrote:
A major technological advance, the Mars rovers employ an innovative three-layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel.
A. A major technological advance, the Mars rovers employ an innovative three-layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel
B. A major technological advance, the Mars rovers employ an innovative three-layered solar panel array that will absorb more sunlight and provide more power then the typical single layer panel.
C. The Mars rovers, a major technological advance, employ an innovative three-layered solar panel array that can absorb more sunlight and provide more power than what the typical single layer panel is able to provide.
D. The Mars rovers employ an innovative three-layered solar panel array, a major technological advance, that can absorb more sunlight and provide more power than the typical single layer panel can.
E. The Mars rovers employ an innovative major technological advance, that is the three layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel.

Source: McGraw-Hill's GMAT

Choice make sense to me because of the use of pro-verb (the verb which is used instead of verb).
The Mars rovers employ an innovative three-layered solar panel array, a major technological advance, that can absorb more sunlight and provide more power than the typical single layer panel can
(absorb more sunlight and provide more power)

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Re: A major technological advance, the Mars rovers employ an innovative th  [#permalink]

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26 Mar 2017, 07:02
A major technological advance, the Mars rovers employ an innovative three-layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel.
A. A major technological advance, the Mars rovers employ an innovative three-layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel (Mars rovers is not a major technological advance)
B. A major technological advance, the Mars rovers employ an innovative three-layered solar panel array that will absorb more sunlight and provide more power then the typical single layer panel. (Same as A)
C. The Mars rovers, a major technological advance, employ an innovative three-layered solar panel array that can absorb more sunlight and provide more power than what the typical single layer panel is able to provide. (Same as A)
D. The Mars rovers employ an innovative three-layered solar panel array, a major technological advance, that can absorb more sunlight and provide more power than the typical single layer panel can. (Correct)
E. The Mars rovers employ an innovative major technological advance, that is the three layered solar panel array which can absorb more sunlight and provide more power than the typical single layer panel. (Mars rovers employs major technological advance totally changes the meaning)

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Re: A major technological advance, the Mars rovers employ an innovative th  [#permalink]

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26 Mar 2017, 10:03
Top Contributor
ARJ 15.
1.'Rove' is an ordinary English verb meaning to wander randomly. Rover is the singular noun and Rovers is the plural for the rover. NASA has been sending several Rovers mainly to topograph Mars and these spacecrafts are collectively called Mars Rovers.

This tests modification as well as comparison.

2. We can dispense with A, B and C in one stroke for using wrong modification in describing the Rovers as technological marvel the marvel is in fact the three-layered solar battery.
3 In comparisons, as action must be compared with another action Only D carries that valid comparison of 'can absorb and provide' in the first arm with a matching action 'can' in the later arm, while E simply compares an action with another gadget.
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Re: A major technological advance, the Mars rovers employ an innovative th &nbs [#permalink] 26 Mar 2017, 10:03
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