During a mathematics quiz containing 30 questions, 5 marks are awarded for every correct answer
and – 2 for every incorrect answer. Find the score if:
(i) Team A gets 24 correct and six incorrect.
(ii) Team B gets 16 correct and 10 incorrect and they did not attempt 4 questions.
(iii) Team C gets 7 incorrect out of 30 questions.
Who won the quiz?
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Answers
Answered by
14
Answer:
Hello...
Step-by-step explanation:
i)Correct:24×5=120
Incorrect:6×-2=-12
So,120-12=108
ii) Correct:16×5=80
Incorrect:10×-2=-20
So,80-20=60
iii) Correct:23×5=115
Incorrect:7×-2=-14
So,115-14=101
Therefore Team A won the quiz.....
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Answered by
5
Answer:
Correct answers = +5
Incorrect answers= -2
Total marks=30×5=150
i)Team A
24×5=120
6×-2= -12
Total marks = 120-12=108
ii)Team B
16×5=80
10×-2= -20
Total marks =80-20=60
iii)Team C
7×-2= -14
Total marks = 150-14=136
Team C won the quiz
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