Question

In a class test containing 18 questions, 4 marks are given for every correct answer and (–2) marks are given for every incorrect answer. (a) Gautam attempts all questions but only 9 of his answers are correct. What is his total score? (b) One of his friends gets only 7 answers correct. What will be his score?

Answer 1

Answer:

a}. Gautam attempts all questions so 9 are correct and 9 are incorrect

so 9*4 =36 but then 9 are incorrect so 9*2=18

so 36-18 =18

b} if his friend attempts all the question so for 7 correct answers 28 marks given to her and 11 are incorrect so for 11 incorrect answers 22 marks will be reduced

then

answer

only 6 marks will be give to her frnd