In a class test, +4 marks were awarded for the correct answers and -1 mark for the wrong answers. Student scores 40 marks. If his correct answers were 11, find his wrong answers.
Answers
Answered by
1
Answer:
no of wrong answer = 4
Step-by-step explanation:
no of crt ans = 11*4 = 44
no of wrong answer = 4
student score = 44-4 = 40
Answered by
1
Answer:
the wrong answer written are 4
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