Question

in a class test 5 marks are given for each correct answer and -2 for each in correct answer and aryav answered all the questions and score 30 marks through he got 10 correct answers find the number of questions are answered incorrectly​

Answer 1

Answer:

questions answered incorrectly= 10

Step-by-step explanation:

marks scored = 30

no.of questions correct= 10

so the total mark = (10×5=50 )(+5 for every correct answer)

but he scored only 30

so -20 (-2 for every incorrect question)

-2× 10=-20

thus, no.of incorrect question = 10

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