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A test contains 90 questions +2marks are for every correct answer -1 for every wrong answer a boy scored 60 marks he attempted all questions then no of correct answers he attempted is?
Most Upvoted Answer
A test contains 90 questions +2marks are for every correct answer -1 f...
As according to question we can deduce the let correct qurstions are x and incorrect qustions are y then x+y = 90 and we also know that the marks got by the student is summation of correct and incorrect questions so, 2x-y =60 now we are having two equations we can get x = 30 and y= 60
Community Answer
A test contains 90 questions +2marks are for every correct answer -1 f...
The answer is 50 correct answers 40wrong answers
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A test contains 90 questions +2marks are for every correct answer -1 for every wrong answer a boy scored 60 marks he attempted all questions then no of correct answers he attempted is?
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A test contains 90 questions +2marks are for every correct answer -1 for every wrong answer a boy scored 60 marks he attempted all questions then no of correct answers he attempted is? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about A test contains 90 questions +2marks are for every correct answer -1 for every wrong answer a boy scored 60 marks he attempted all questions then no of correct answers he attempted is? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A test contains 90 questions +2marks are for every correct answer -1 for every wrong answer a boy scored 60 marks he attempted all questions then no of correct answers he attempted is?.
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