Question

In a test consisting of 50 questions, each student gets +2 marks for every correct answer and −1 marks for every incorrect answer. Each question must be answered.

If Roy gets 35 correct answers and 15 wrong answers, then what was his total score?

Answer 1

Step-by-step explanation:

Marks given for one correct answer = 5

So, marks given for 10 correct answers

= 5 X 10 = 50

Radhika's score = 30

Marks obtained for incorrect answer

= 30- 50 = -20

Marks given for one incorrect answer

= (-2)

Therefore, number of incorrect answers

= (−20)÷(−2)=10

Answer 2

Score for correct answers = 35×2

= 70 marks

Score Removed from total score = 15×1

= 15 marks

Marks scored = 70-15

= 55 marks

I hope this helps

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