In a quiz +4 marks are awarded for every correct question and-2 are awarded for every wrong answer. If a boy scores 38 marks if he got 12 correct questions. Find the total number of questions. plz give the answer step by step. plz give me correct answer. I will mark as brainllest
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Step-by-step explanation:
No. of correct answers=12
No. of marks=38
Hence, marks awarded for correct answers=12*4=48
But the boy got -10 marks
Hence, no. of wrong answers= -10/-2=5
Total no. of questions = 12+5=17
There are 17 questions in the quiz. :)
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