Question

in a competitive exam 3 marks are given for every correct answer and 1 mark is educated for every incorrect answer Raju score 20 marks though he got 10 correct answers how many incorrect answers had the attempted assuming that he attended all the questions​

Answer 1

Answer:

10 incorrect answers

Step-by-step explanation:

10 correct answers = 30 marks

10 wrong answers = 10 marks

then,

30 - 10 = 20 marks

Answer 2

Answer:

20

Step-by-step explanation:

I hoped it's helpful to you