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Mike took 5 mock tests before appearing for the GMAT. In each mock

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Joined: 18 Feb 2019
Posts: 580
Location: India
GMAT 1: 460 Q42 V13
GPA: 3.6
Mike took 5 mock tests before appearing for the GMAT. In each mock  [#permalink]

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New post 24 Mar 2019, 00:40
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Difficulty:

  25% (medium)

Question Stats:

76% (01:36) correct 24% (01:27) wrong based on 38 sessions

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Mike took 5 mock tests before appearing for the GMAT. In each mock test he scored 10 points more than the previous mock test. If he scored 760 on the GMAT and his average score for the mocks was 720, what is the difference between his last mock score and his GMAT score?

A. 10
B. 20
C. 30
D. 40
E. 50
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Joined: 18 Aug 2017
Posts: 4988
Location: India
Concentration: Sustainability, Marketing
GPA: 4
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Re: Mike took 5 mock tests before appearing for the GMAT. In each mock  [#permalink]

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New post 26 Mar 2019, 09:51
kiran120680 wrote:
Mike took 5 mock tests before appearing for the GMAT. In each mock test he scored 10 points more than the previous mock test. If he scored 760 on the GMAT and his average score for the mocks was 720, what is the difference between his last mock score and his GMAT score?

A. 10
B. 20
C. 30
D. 40
E. 50


1st exam == x
2nd = x+10
3rd= x+20, 4th x+30 and 5th x+40
total sum = 5x+100 = 5*720 ; x = 700
5th test score = 740
difference actual - 5th = 20
IMO B
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Re: Mike took 5 mock tests before appearing for the GMAT. In each mock   [#permalink] 26 Mar 2019, 09:51
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Mike took 5 mock tests before appearing for the GMAT. In each mock

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