In a test which contains 10 questions, +5 marks, -2 marks and 0 marks are awarded for every correct answer, incorrect answer and unattempted questions respectively. Ram got 3 correct and 4 incorrect out of 7 questions he attempted. What is his final score?
7
Marks awarded for one correct answer = +5
Marks awarded for one incorrect answer = -2
Marks awarded for an unattempted question = 0
He got 3 correct answers, 4 incorrect answers and 3 unattempted questions.
So, the total score = [3 × (+5)] + [4 × (-2)] + [3 × (0)]
= 15 - 8 + 0 = 7
Therefore, Ram's score is 7.