in a class test containing 15 questions 4 marks are given for every correct answer and (-2 ) marks are given for every incorrect answer Gurpreet attempted all the questions but only 9 are of correct answer what is her total score while one of her friends only get 5 correct answer what will be her score
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Answer: 14, -10
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hay!!
given
⟼In a class test containing 15 questions, 4 marks are given for every correct
⟼answer and (–2) marks are given for every incorrect answer. (i)Gurpreet attempts all questions but only 9 of her answers are correct. What is her total score?
to find
(i) Gurpreet attempts all questions but only 9 of her answers are correct. What is her total score?
(ii) One of her friends gets only 5 answers correct. What will be her score?
answer
⟼ 24.
⟼ 0.
solusion
⟼see in attachment
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