Class 8th exercise 7.3 question 11 solution|startup mathematics viva education

Class 8th startup mathematics viva education chapter 7 exercise 7.3 solutions

Book-startup mathematics viva education
Chapter-7
Exercise-7.3
Question-11

In a competitive exam, there are 90 multiple choice questions. 4 marks are awarded for every correct answer,2 marks are deducted for every wrong answer and 0.5 marks is deducted for every unattempted question from the total score of correct answers. If a student leaves 10 questions unattempted and scores a total of 195 marks, how many of his answers were correct?

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