Question

In a competitive exam, 3 marks are given for every correct answer and 1 mark is deducted for every incorrect answer. Raju copied some answers from Reema and answered all the questions. He scored 20 marks though he got 10 correct answers. How many incorrect answers had he attempted? What value is missing in Raju?​

Answer 1

Answer:

he attempted 10 wrong answers

Step-by-step explanation:

becoz he got 10 correct answers and each correct answer gets 3 marks

so accordingly he should be scored 30 marks

but he scored 20 that means he did 10 wrong answers among which each question deducted his 1 mark

Answer 2

Raju had attempted 2 incorrect answers.