In a quiz, Rs.300 are awarded for every correct answer and a penalty of Rs.75 is put for every incorrect answer. Madhuri answered 6 correct answers.If Madhuri earned Rs.1125, then how many questions she has attempted incorrectly?
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Answered by
1
Answer:
Step-by-step explanation:
Madhuri answered 6 answers correctly and 9 answers incorrectly => 6 × 300 - 9× 75 =>
Rs 1125. Money earned by Madhuri in the quiz => Rs 1125.
Answered by
2
Answer:
Number of correct answers =6
Total points =6×300=1800
Points she earned=1125
Points losed= 1800-1125=675
Penalty =75
Number of incorrect answers =675÷75=9
She attempted 9 questions incorrectly
Step-by-step explanation:
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