Rajeev scored 89 marks in a test getting 11 marks for each right answer and losing 7 marks for each wrong answer . had 7 been awarded for each correct answer and 11 marks been deducted for each incorrect answer , then Rajeev would have scored 52 marks less . how many questions were there in test?
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Step-by-step explanation:
let the no of right questions be x
let the no of wrong questions be y
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