in a class test containing 15 questions ,4 marks are given for every correct answer and -2 marks are given for every incorrect answer.Shweta attempts all questions but only 9 of her answers are correct.what is her total score?
sunainasharma79:
thnk u ayesha
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24 marks is the total score
EXPLANATION:
right questions=9
per right question=4
therefore 9×4=36
wrong question=15-9=6
per wrong question=-2
therefore 6×(-2)=-12
therefore, right marks - wrong marks
36-12=24
how
Plzz explain
plzzz
any doubt?
yes
plz tell the procedure
thnks
ayesha thnks by the way where are you from?
Pune, Maharashtra
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