Question

In a class test containing 10 questions of 5 marks are awarded for every correct answer and (-2) for every incorrect answer. sita get 3 correct and 7 incorrect answer .find her score?

Answer 1

Step-by-step explanation:

Correct answer = 5 marks

Wrong answer = -2 marks

Marks awarded for correct answers:

1 correct answer = 5 marks

4 correct answers = 5 x 4 = 20 marks

Marks deducted for wrong answers:

1 wrong answer = 2 marks

6 wrong answers = 2 x 6 = 12 marks

Find the final score:

Final score = 20 - 12 = 8 marks

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Answer: He scored 8 marks

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Answer 2

Answer:

Let the no.of marks of correct question be x

Let the no. of marks for incorrect question be y

Step-by-step explanation:

so,

                                              A.T.Q

3x+7y=total marks

3(5)+7(-2)=total marks

15-14=total marks

1=total marks