Question

18. In a test 4 marks are given for every correct answer and (-2) marks for
incorrect answer. Raju scored 10 marks and he attempted 5 correct answers.
How many incorrect answers has he given?​

Answer 1

Answer:

5

Step-by-step explanation:

As 4 marks are given for each correct answer...He answered 5 correct answer so his score is 20. 5x2=10

So, 20-10 is 10

Answer 2

Answer:

5

Step-by-step explanation:

correct answer= 4×5= 20 marks

incorrect answer = 2×5= 10 marks

correct- incorrect= total marks

20-10= 10 marks

Therefore, Raju answered 5 questions incorrectly.