In a test (+4) marks are given for every correct answer and (-2) marks for every wrong answer. Rohit answered 25 questions correctly and scored 68 marks. How many questions did he attempt incorrectly? *
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16 incorrect answer
Step-by-step explanation:
Marks secured by Rohit = 68
Marks secured for correct answer = 25×4 = 100
Marks obtained for incorrect answer = 68-100 = -32.
Marks given for 1 incorrect answer = -2
Number of incorrect answer = -32÷(-2) = 16
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