Question

Deepak got 6 correct answers ,if he scored (-18) marks in the competition. How many questions he answered incorrectly

Note : 4 marks for 1 correct answer and -2 marks for 1 in correct answer

First answer will be marked as brainliest ​

Answer 1

4 marks for 1 correct answer-2 for each incorrect.

Therefore 6 correct = 6*4 = 24.
Remaining = -18-24 = -42, and since -2 for each wrong answers, number of incorrect answers is -42/-2 = 21 wrong answers.

Hope this answer helps you. Please mark as brainliest! :)

Answer 2

Answer

Total marks Deepak got = 6

Total negative marks Deepak got =(-18)

1 incorrect answer = -2

-18/-2=9

∴ Deepak answered 9 answers incorrectly.