There are 20 question. 6 marks are given for every correct answer and -2 for every incorrect answer and 0 for not attempted. Q-Sumit

Question

There are 20 question. 6 marks are given for every correct answer and -2 for every incorrect answer and 0 for not attempted.
Q-Sumit scored 36 marks on though he got 8 correct answers. How many questions had he attempted incorrectly?

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Delilah 2 weeks 2021-09-04T18:00:39+00:00 1 Answer 0 views 0

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    2021-09-04T18:02:33+00:00

    Answer:

    14

    Step-by-step explanation:

    let m be the no. of questions incorrect

    36=8×6-2m

    36-48=-2m

    -12=-2m

    m=6

    8(correct)+6(incorrect)=14

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