Question

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

Answer 1

Answer:

61 is the anwer of the question

Answer 2

Answer:

Given :- 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 are deducted for every unattempted question. from the total score of correct answers.if a students leaves 10 questions unattempted and scores a total of 195 marks, how many of his answers were correct

Solution :-

=> Let the answers correct be 'x'

=>Then, answer wrong = 80

--: According To Condition :-

=>4x-2(80-x) - 10(0.5) = 195

=>4x-160+2x-5 = 195

=>6x = 360

=> x = 60

=> Therefore, correct answer = 60