in a test + 5 marks are given for every correct answer and -2 marks are given for every incorrect answer Radhika answered all the question and scored 40 marks and get 10 correct answer jay also answered all the question and scored -12 mark he got 4 correct answer. how many incorrect answer they attempted
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tanish5671:
marks scored by radhika is 30 not 40
Then you can replace with 30 and get correct answer
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