Question

In a test (+5) marks are given for every correct answer and (-1) marks are given for every incorrect answer. Joy answered all the questions and scored (-14) marks though his 8 questions were correct. ​

Answer 1

Answer:

any doubt msg me,I explained above in pic

Answer 2

Answer:

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

Step-by-step explanation:

It is an example of how to this sum.