Question

In a test + 5 marks are given for every correct answer and - 1 marks for every incorrect answer. i) Rohit answered all questions and scored 30 marks though he got ten correct answers .Find the number of questions incorrectly attempted by him. ii) Joy answered all the questions and scored - 14 marks though his 8 questions were correct.Find the number of questions incorrectly attempted by him.​

Answer 1

Step-by-step explanation:

1) score=30

no. of questions correct= 10

score for correct answers= 10X5=50

incorrect answers= 50-30= 20

so he got 20 questions incorrect

2) score= -14

correct questions= 8

score for correct answers= 8X5= 40

incorrect answers= 40-14= 26

So he got 26 questions incorrect