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A multiple choice examination consists of 40 questions. The scoring is + 5 for each correct answer, - 2 for each incorrect answer, and 0 for each unanswered question. Noel's score on the examination is 67. What is the minimum number of questions he could have answered correctly?

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  1. Today, 01:03
    0
    15

    Step-by-step explanation:

    65+5 = 70 - 2 = 68

    = 70-4 = 66 (so not 14)

    75 - 8 = 67

    Which means: 15 correct, 4 incorrect and others attempted
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