In a class test containing 15 questions, 5 marks are awarded for every correct answer and -2 marks are awarded for every incorrect answer and 0 for questions not attempted.
a. Sumit gets 10 correct and five incorrect answers. What is his score?
b. Vijay attempted only 8 questions of which only 5 are correct. What is his total score?
c. Ravi gets five correct and ten incorrect answers. What is his score?
Answer
Total number of questions = 15
Marks for correct answer = 5
Marks for incorrect answer = -2
a) Sumit 10 correct 5 incorrect
Sumits score = 10 x 5 + 5 x -2 = 50 -10 = 40 Answer
b) Vijay 5 correct 3 incorrect
Vijays score = 5 x 5 + 3 x -2 = 25 - 6 = 19 Answer
c) Ravi 5 correct and 10 incorrect
Ravi's score = 5 x 5 + 10 x -2 = 25 -20 = 5 Answer
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