Question

In a class test containing 15 questions, 4 marks are given for every correct answers and

(-2) marks are given for every incorrect answer.

(a) Preeti attempts all question but only 9 of her answers are correct. What is her total

score?

(b) One of her friends gets only 5 answers correct. What will be her score?​

Answer 1

Answer:The answer of the given question is :-

a. Preeti got 24.

b. 20 marks obtained by friend.

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Answer 2

Answer : Scores of preeti and hema are 24 , 20 respectively.

Given that,

In a class test containing 15 questions, 4 marks are given for every correct answer and (–2) marks are given for every incorrect answer.

Let the number of correct answer = x

Number of incorrect answers = y

Marks obtained by the student = 4(x) - 2

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