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Here G, H, I, J, and K are consecutive whole numbers. When is G× H× I

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Here G, H, I, J, and K are consecutive whole numbers. When is G× H× I [#permalink]

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New post 12 Feb 2017, 23:03
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Question Stats:

80% (00:43) correct 20% (00:13) wrong based on 25 sessions

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Source: McGraw Hill GMAT

Here G, H, I, J, and K are consecutive whole numbers. When is G× H× I > 12?

1. G ≥ 2
2. G is odd
[Reveal] Spoiler: OA

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Re: Here G, H, I, J, and K are consecutive whole numbers. When is G× H× I [#permalink]

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New post 12 Feb 2017, 23:09
SajjadAhmad wrote:
Source: McGraw Hill GMAT

Here G, H, I, J, and K are consecutive whole numbers. When is G× H× I > 12?

1. G ≥ 2
2. G is odd


St I
G ≥ 2
Let G=2, therefore H =3,I=4 and G*H*I = 2*3*4 =24 > 12
for all G≥2; G*H*I >12 ------- Sufficient

St II
G is odd
If G = 1, H=2, I=3 and G*H*I = 1*2*3 =3
If G = 3, H=4, I=5 and G*H*I = 3*4*5 =60 ---------Insufficient.

Hence Option A is correct.
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Re: Here G, H, I, J, and K are consecutive whole numbers. When is G× H× I [#permalink]

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New post 13 Feb 2017, 08:20
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SajjadAhmad wrote:
Source: McGraw Hill GMAT

Here G, H, I, J, and K are consecutive whole numbers. When is G× H× I > 12?

1. G ≥ 2
2. G is odd


Have you transcribed the question correctly?
I ask because we are not told the order in which the consecutive numbers appear. Is G the smallest of them?
The GMAT will always avoid ambiguity with additional information.
Here's an example (official GMAT question):
- If a, b, and c are consecutive positive integers and a < b < c, which of the following must be true?

Without some additional information (like G<H<I<J< K), I'd say that statement 1 is not sufficient.

A few other "issues":
- not sure why the authors wrote "whole numbers" instead of "integers"
- "When is ...G× H× I > 12?" (why not just "Is G× H× I > 12"?). The word "when" changes the meaning of the target question.

Cheers,
Brent
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Here G, H, I, J, and K are consecutive whole numbers.is G×H×I >12? [#permalink]

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New post 21 Feb 2017, 02:33
Here G, H, I, J, and K are consecutive whole numbers.is G×H×I >12?
1. G ≥ 2
2. G is odd.
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Re: Here G, H, I, J, and K are consecutive whole numbers. When is G× H× I [#permalink]

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New post 21 Feb 2017, 02:45
Re: Here G, H, I, J, and K are consecutive whole numbers. When is G× H× I   [#permalink] 21 Feb 2017, 02:45
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Here G, H, I, J, and K are consecutive whole numbers. When is G× H× I

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