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M07-07

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M07-07  [#permalink]

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New post 16 Sep 2014, 00:34
1
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A
B
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E

Difficulty:

  55% (hard)

Question Stats:

51% (00:42) correct 49% (00:40) wrong based on 123 sessions

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After 6 games, team B had an average of 61.5 points per game. If the team scored 47 points in game 7, how many more points does the team need to score to get its total above 500?

A. 85
B. 84
C. 83
D. 74
E. 62

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Re M07-07  [#permalink]

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New post 16 Sep 2014, 00:34
2
Official Solution:

After 6 games, team B had an average of 61.5 points per game. If the team scored 47 points in game 7, how many more points does the team need to score to get its total above 500?

A. 85
B. 84
C. 83
D. 74
E. 62


6 games with an average of 61.5 points per game: \(61.5 * 6 = 369\) total points. Plus another game: \(369 + 47 = 416\)

To reach a total above 500 points, team B needs to score \(501 - 416 = 85\) points.


Answer: A
_________________

New to the Math Forum?
Please read this: Ultimate GMAT Quantitative Megathread | All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


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Re: M07-07  [#permalink]

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New post 06 Dec 2017, 08:15
The trick to solve the question lies in last line of question ?
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Re: M07-07  [#permalink]

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New post 28 Apr 2018, 11:17
The trick here is you need to calculate the number of points the team needs to score to bring their total points scored above 500, which is 501, not 500. It seems to be little tricks like this that are the GMATS bread and butter.
Re: M07-07 &nbs [#permalink] 28 Apr 2018, 11:17
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