In a class test containing 20 questions, 4 marks are given for every correct answer and (-1) marks are given for every incorrect answer. Rohit attempts all questions but only 12 of his answers are correct. What is his total score?
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Answer:
40
Step-by-step explanation:
Number of questions : 20
marks given for right answer : 4
marks given for wrong answer : -1
Rohit's number of correct answers : 12
Therefore, his number of incorrect answers : 20-12 : 8
marks for correct answers : 12*4 = 48
marks for incorrect answers : 8*-1= -8
His total score = 48+ (-8)
= 40
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