An examination paper contains 100 questions. Two marks are awarded for every correct answer, 1 mark is deducted for every wrong answer. However, no marks is deducted for any unattempted question. Praveen gets 100 marks and he left as many questions as those he had answered wrongly. Find the number of questions he answered correctly.
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7
Step-by-step explanation:
he gave 60 correct answer
Answered by
1
50 question has attended the examination paper
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