15. In a quiz competition, each team has to answer 10 questions. 5 marks will be correct answer and 3 marks will be deducted for a wrong answer. If a team answers all the questions and is awarded 18 marks in the competition, how many questions does the team answer correctly? dmun olingH

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15. In a quiz competition, each team has to answer 10 questions. 5 marks will be awarded for a
dimust
correct answer and 3 marks will be deducted for a wrong answer. If a team answers all the
questions and is awarded 18 marks in the competition, how many questions does the team
answer correctly?
Transcribed Image Text:15. In a quiz competition, each team has to answer 10 questions. 5 marks will be awarded for a dimust correct answer and 3 marks will be deducted for a wrong answer. If a team answers all the questions and is awarded 18 marks in the competition, how many questions does the team answer correctly?
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