In a test, a student gets a score of +4 for every correct answer and -2 for every incorrect answer.
ROEDE
Jim attempted all the questions and his final score was 30. If he answered 10 questions correctly, how
many questions did he answer incorrectly?
Answers
Answered by
2
Answer:
He answered 5 questions incorrectly
Step-by-step explanation:
Answered by
3
Step-by-step explanation:
Questions attempt by Jim= 30
No. of questions answered correctly =10
Marks obtained by ten correct = 10×4 =40
Marks he lost by giving wrong answers = 40-30=10
Marks given for giving wrong answers = - 2
No. Of questions answered wrong = 10÷2=5
He gave 5 answers wrong.
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