Question

In an exam,there were 20 questions to answer. For each correct answer

students were awarded 4 marks and for each incorrect answer they were

awarded -2 marks. If Mitali answered 15 questions correctly and 5 questions

incorrectly, what was her final score?​

Answer 1

For each correct answer = 4 marks

Mitali correct answer = 15 ×4 = 60 marks

For each incorrect answer = -2 marks

Mitali incorrect answer = 5×-10 =-50 marks

Total marks(correct+incorrect) by Mitali = Correct Marks + Incorrect Marks / 20

60+(-50)/20

60-50/20

10/20

"Hence, Mitali's final score = 10."

Answer 2

Answer:

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