Question

In a test +5 marks are given for every correct answer and -1 marks are given for every incorrect answer.
1) Rohit answered all the questions and scored 30 marks though he got 20 correct answers.
2) Joy also answered all the questions and scored -14 marks though his 8 questions were correct.
Find the questions incorrectly attempted by each of them.

Answer 1

Answer:

1) rohit 70 wrong question

2)joy something is wrong in question

Step-by-step explanation:

1)

correct answer 20*5 = total marks gained 100

scored 30 =70 wrong

2)

-14 is possible only when he answered only 62 questions outoff which 54 were wrong

correct answer 8*5= marks gained 40

scored-14 =54 wrong