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The number of meters in AB is equal to the square root of

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Senior Manager
Joined: 21 Oct 2013
Posts: 411
The number of meters in AB is equal to the square root of  [#permalink]

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30 Jun 2014, 09:52
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Difficulty:

55% (hard)

Question Stats:

60% (01:42) correct 40% (01:40) wrong based on 428 sessions

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The number of meters in AB is equal to the square root of the number of centimeters in AB. What is the length of AB (1 meter=100 centimeters)?

A) 100 meters
B) 10 meters
C) 100 centimeters
D) 10 centimeter
E) 1 centimeter

OE
100 = √(100×100)
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Math Expert
Joined: 02 Sep 2009
Posts: 58402
Re: The number of meters in AB is equal to the square root of  [#permalink]

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30 Jun 2014, 10:00
2
5
goodyear2013 wrote:
The number of meters in AB is equal to the square root of the number of centimeters in AB. What is the length of AB (1 meter=100 centimeters)?

A) 100 meters
B) 10 meters
C) 100 centimeters
D) 10 centimeter
E) 1 centimeter

OE
100 = √(100×100)

I'd plug in the options for this question.

Check option A: if the number of meters in AB is 100, then the number of centimeters is 100*100. The square root of 100*100 is 100: 100 = 100.

Answer: A.
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Math Expert
Joined: 02 Sep 2009
Posts: 58402
The number of meters in AB is equal to the square root of  [#permalink]

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30 Jun 2014, 10:01
Bunuel wrote:
goodyear2013 wrote:
The number of meters in AB is equal to the square root of the number of centimeters in AB. What is the length of AB (1 meter=100 centimeters)?

A) 100 meters
B) 10 meters
C) 100 centimeters
D) 10 centimeter
E) 1 centimeter

OE
100 = √(100×100)

I'd plug in the options for this question.

Check option A: if the number of meters in AB is 100, then the number of centimeters is 100*100. The square root of 100*100 is 100: 100 = 100.

Answer: A.

Check other Conversion problems to practice in Special Questions Directory.

Hope it helps.
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Re: The number of meters in AB is equal to the square root of  [#permalink]

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22 Jul 2017, 22:32
10m=1000cm (1m=100cm)
10m=\sqrt{1000} is not=to 10 hence wrong.
and
100m=100*100cm=\sqrt{10000}=100cm.

GMAT questions appear easy when solution is presented but many test takers make mistake during the exam due to time limitation, careless mistakes or not understanding the question properly and hence many seemingly easy questions appear to be at an higher level.
Senior Manager
Status: love the club...
Joined: 24 Mar 2015
Posts: 269
Re: The number of meters in AB is equal to the square root of  [#permalink]

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01 Oct 2017, 10:04
4
goodyear2013 wrote:
The number of meters in AB is equal to the square root of the number of centimeters in AB. What is the length of AB (1 meter=100 centimeters)?

A) 100 meters
B) 10 meters
C) 100 centimeters
D) 10 centimeter
E) 1 centimeter

OE
100 = √(100×100)

hi

I think it makes sense...

m = √cm

1m = 100cm

100m = 10000cm

100m = √100cm

cheers through the kudos button if this helps
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Joined: 09 Sep 2013
Posts: 13242
Re: The number of meters in AB is equal to the square root of  [#permalink]

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08 Mar 2019, 03:53
Hello from the GMAT Club BumpBot!

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Re: The number of meters in AB is equal to the square root of   [#permalink] 08 Mar 2019, 03:53
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