Example 9: There are 90 multiple choice questions in a test. Two marks are awarded for every correct answer and one mark is deducted fo

Question

Example 9: There are 90 multiple choice questions in a test. Two marks are awarded for
every correct answer and one mark is deducted for every wrong answer.
If
Sahana got 60 marks in the test while she answered all the questions, then how
many questions did she answer correctly?​

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Bella 2 weeks 2021-09-10T20:49:25+00:00 1 Answer 0 views 0

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    0
    2021-09-10T20:50:40+00:00

    Answer:

    Step-by-step explanation:

    idk

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18:9+8+9*3-7:3-1*13 = ? ( )