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A certain tests consists 8 sections with 25 questions, numbered from

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Joined: 02 Sep 2009
Posts: 51035
A certain tests consists 8 sections with 25 questions, numbered from  [#permalink]

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New post 22 Jul 2018, 22:37
1
1
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

63% (01:57) correct 37% (01:48) wrong based on 37 sessions

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A certain tests consists 8 sections with 25 questions, numbered from 1 to 25, in each section. If a student answered all of the even-numbered questions correctly and 3/4 of the odd-numbered questions correctly, what was the total number of questions he answered correctly?

A. 150
B. 172
C. 174
D. 175
E. 176

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Re: A certain tests consists 8 sections with 25 questions, numbered from  [#permalink]

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New post 22 Jul 2018, 22:54
C
Even numbers per section : 12 times 8 = 96 correct

Odd numbers per section : 13 times 8, whilst 3/4 correct = 78 correct

Thus 96 + 78 = 174

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Re: A certain tests consists 8 sections with 25 questions, numbered from  [#permalink]

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New post 22 Jul 2018, 23:44
8*25=200
Even correctly=200/2=100
odd correctily= (200/2)*3/4=75

Total answered= 175 questions

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Re: A certain tests consists 8 sections with 25 questions, numbered from &nbs [#permalink] 22 Jul 2018, 23:44
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A certain tests consists 8 sections with 25 questions, numbered from

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