Mathematics
Mathematics, 11.09.2021 01:10, sofielofi

11) In a quiz +2 marks are given for a correct answer, -1 marks for an incorrect answer and 0 marks for not attempting a question.
Radhika scored 30 marks. If she got 18 correct answers, how many questions did she attempt
incorrectly?

answer
Answers: 1

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11) In a quiz +2 marks are given for a correct answer, -1 marks for an incorrect answer and 0 mark...

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