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# Shares

Author Message
VP
Joined: 16 Jul 2009
Posts: 1489

Kudos [?]: 1447 [0], given: 2

Schools: CBS
WE 1: 4 years (Consulting)

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07 Sep 2009, 13:04
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Difficulty:

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Question Stats:

100% (01:02) correct 0% (00:00) wrong based on 1 sessions

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Kudos [?]: 1447 [0], given: 2

VP
Joined: 16 Jul 2009
Posts: 1489

Kudos [?]: 1447 [0], given: 2

Schools: CBS
WE 1: 4 years (Consulting)

### Show Tags

07 Sep 2009, 13:08
My approach:

Before:
Range=112-45=67
After:X=56-20=36<45, so is the minimum
Y=24+94=118>112, so is the maximum

Therefore, Range=118-36=82
And the increase is 82-67=15, so D is my pick
_________________

The sky is the limit
800 is the limit

GMAT Club Premium Membership - big benefits and savings

Kudos [?]: 1447 [0], given: 2

Senior Manager
Joined: 20 Mar 2008
Posts: 452

Kudos [?]: 133 [0], given: 5

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07 Sep 2009, 13:47
Another approach, instead of subtracting the old range from the new range, look for the upper bound increase, and the lower bound decrease:

Upper bound = W = 112.
Lower bound = Z = 45

New Upper bound = Y+24 = 118
New lower bound = X-20 = 36.

Range increase = (45-36) + ( 118-112 ) = 9 + 6 = 15.

Hence, D.

Kudos [?]: 133 [0], given: 5

Re: Shares   [#permalink] 07 Sep 2009, 13:47
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