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If the volume of a ball is 32,490 cubic millimeters, what is the volum

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If the volume of a ball is 32,490 cubic millimeters, what is the volum [#permalink]

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New post 08 Feb 2016, 15:55
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If the volume of a ball is 32,490 cubic millimeters, what is the volume of the ball in cubic centimeters? (1 millimeter = 0.1 centimeter)

(A) 0.3249
(B) 3.249
(C) 32.49
(D) 324.9
(E) 3,249

Source: OG 2016, PS #126
[Reveal] Spoiler: OA

Last edited by ENGRTOMBA2018 on 08 Feb 2016, 16:06, edited 1 time in total.
Added the complete information of the source.
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Re: If the volume of a ball is 32,490 cubic millimeters, what is the volum [#permalink]

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New post 08 Feb 2016, 16:05
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Anonamy wrote:
If the volume of a ball is 32,490 cubic millimeters, what is the volume of the ball in cubic centimeters? (1 millimeter = 0.1 centimeter)

(A) 0.3249
(B) 3.249
(C) 32.49
(D) 324.9
(E) 3,249


This is not a 700 level question. I have changed the tag to sub-600 level and added the complete source information.

As for this question, remember that 1 cm = 10 mm

Thus, \(32490 {mm}^3 = 32490 * 10^{-3} {cm}^3 = 32.49 {cm}^3.\)

C is thus the correct answer.

Hope this helps.
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If the volume of a ball is 32,490 cubic millimeters, what is the volum [#permalink]

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New post 08 Feb 2016, 16:09
Apologies, I intended to categorize it as 600 level. This question is #126 out of 175 in OG Quant 2016.
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Re: If the volume of a ball is 32,490 cubic millimeters, what is the volum [#permalink]

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New post 08 Feb 2016, 19:26
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Anonamy wrote:
If the volume of a ball is 32,490 cubic millimeters, what is the volume of the ball in cubic centimeters? (1 millimeter = 0.1 centimeter)

(A) 0.3249
(B) 3.249
(C) 32.49
(D) 324.9
(E) 3,249

Source: OG 2016, PS #126


hi,

1 millimeter = 0.1 centimeter..
so 10 mm= 1 cm..
10mm*10mm*10mm=1cm*1cm*1cm..
1000cu mm= 1 cu cm..
so 1 cu mm = 1/1000 cu cm..
32490 cu mm =32490/1000 cu cm = 32.49 cu cm
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Absolute modulus :http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html


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If the volume of a ball is 32,490 cubic millimeters, what is the volum [#permalink]

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New post 11 Feb 2017, 13:21
The way that the question is written (the format i mean) is wrong all day long.


The solution implies that 32,490 cubic millimeters is an integer rather than decimal (i.e. 32,490mm = 32490 mm).

This is misleading because 32,490mm it can be interpreted as 3249 * 10^-2 mm = 3249 * 10^-5 cubic meters. This is because the decimal sign ,
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Re: If the volume of a ball is 32,490 cubic millimeters, what is the volum [#permalink]

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New post 12 Feb 2017, 00:22
Ndkms wrote:
The way that the question is written (the format i mean) is wrong all day long.


The solution implies that 32,490 cubic millimeters is an integer rather than decimal (i.e. 32,490mm = 32490 mm).

This is misleading because 32,490mm it can be interpreted as 3249 * 10^-2 mm = 3249 * 10^-5 cubic meters. This is because the decimal sign ,



This is a OG Question

Check here the same questionn has been repeated in GMAT OG QA 2017 , Question 125 as well -

https://books.google.co.in/books?id=ZWP ... centimeter)&source=bl&ots=Y8ZJWqsQ6l&sig=ygilSSMsg9r3P2Pdy8C5_xG2ovs&hl=en&sa=X&ved=0ahUKEwiy6qfqj4rSAhXKo48KHXKyBscQ6AEIJTAB#v=onepage&q=If%20the%20volume%20of%20a%20ball%20is%2032%2C490%20cubic%20millimeters%2C%20what%20is%20the%20volume%20of%20the%20ball%20in%20cubic%20centimeters%3F%20(1%20millimeter%20%3D%200.1%20centimeter)&f=false
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Abhishek....

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Re: If the volume of a ball is 32,490 cubic millimeters, what is the volum   [#permalink] 12 Feb 2017, 00:22
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