7. In a quiz competition, 10 points are awarded for every correct.
answer 5 points are deducted for every wrong answer. No points
are deducted for not attempting a question. There are three
contestant teams: St. Joseph School, Indian Public School and
Government Girls' School,
(a) The team from St. Joseph School scored 125 points, though they answered 15 questions correctly.
How many questions were not answered correctly by the team?
(b) The team from Indian Public School gave 10 correct and 5 incorrect answers. What is their score?
(c) The team from Government Girls' School scored 150 points, though they gave 18 correct answers.
How many incorrect answers had they given? Which team won the competition?
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Answer:
what...answer is option c
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