Question

In a class test consisting of 10 questions, 5marks are given for every correct answer and [-2]marks are given for incorrect answer.
a) Deepak attempted all question but only got 9of his answer are correct.what is his total score
b) Ram gets five correct and five incorrect answers.what is his score?
c) Henna gets 3correct and 7 incorrect answer.what is her score?​

Answer 1

Answer:

88

40

16

these are ur answers

Answer 2

Step-by-step explanation:

Let the number of correct answers be x wrong answers be y

1. 5x - 2y = 5 × 9 - 2 × 1

= 45 - 2 = 43

2. 5x - 2y = 5×5 - 2×5

= 25 - 10 = 15

3. 5x - 2y = 5×3 - 2×7

= 15 - 14 = 1