Question

There are 180 multiple choice questions in a test. A candidate gets 4 marks for every correct answer, and for every un-attempted or wrongly answered questions one mark is deducted from the total score of correct answers. Ifa candidate scored 450 marks in the test how many questions did he answer correctly?​

Answer 1

Step-by-step explanation:

Number of multiple questions =180

Mark's for each correct answer =4

Let The Correct Mark's be =X

So here (Dont copy this) => 4x(Because 4 Mark's for each subject) =>4x/180 (Number of questions) =>4x/180=450(Number of questions answered) =>4x=450×180/4

=>X=20,250