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Tough and tricky 7: average temperature

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Expert Post
Math Expert
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Joined: 02 Sep 2009
Posts: 18709
Followers: 3238

Kudos [?]: 22293 [0], given: 2611

Tough and tricky 7: average temperature [#permalink] New post 11 Oct 2009, 17:26
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Difficulty:

  5% (low)

Question Stats:

70% (01:00) correct 30% (01:23) wrong based on 19 sessions
Senior Manager
Senior Manager
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Joined: 18 Aug 2009
Posts: 333
Followers: 7

Kudos [?]: 155 [0], given: 13

GMAT Tests User
Re: Tough and tricky 7: average temperature [#permalink] New post 11 Oct 2009, 17:31
250-45*4=70.
Range = 70-45 = 25.
Answer B.
Manager
Manager
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Joined: 12 Jul 2009
Posts: 59
Followers: 1

Kudos [?]: 3 [0], given: 9

Re: Tough and tricky 7: average temperature [#permalink] New post 11 Oct 2009, 21:45
To find the maximum range, keep all the temp as the minimum(45). Thus the maximum temp would be 70 and hence the max range would be 25.
Expert Post
Math Expert
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Joined: 02 Sep 2009
Posts: 18709
Followers: 3238

Kudos [?]: 22293 [0], given: 2611

Re: Tough and tricky 7: average temperature [#permalink] New post 12 Oct 2009, 08:44
Expert's post
Re: Tough and tricky 7: average temperature   [#permalink] 12 Oct 2009, 08:44
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Tough and tricky 7: average temperature

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