In a math quiz of six questions Chandana got 90% correct answers and Radha got 80% correct answers.How many correct answers did each give and What percentage is Radha’s correct answers to Chandana correct answers
Answers
Answered by
1
Answer:
Step-by-step explanation:
No. of total questions = 60
Chandra got correct answers of the questions = 90% of 60
= (60 × 90)/100
= 54
Ram got correct answers of the questions = 80% of 60
= 60 × 80/100
= 48
∴ Percentage of Ram’s correct answer of that of Chandra’s = 48/54 × 100
= 800/9%
= 88.8/9 %
Answered by
1
Answer:
88.89%
Step-by-step explanation:
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METHOD 1
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Chandana = 90%
Radha = 80%
Find the percentage of Radha's correct answer to Chandana's correct answer:
Percentage = 80/90 x 100 = 88.89%
Answer: 88.89%
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METHOD 2
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Find Chandana's number correct answer:
Correct answers = 90% of 6 questions
Correct answers = 0.9 x 6
Correct answer = 5.4
Find Radha's number correct answer:
Correct answer = 80% of 6 questions
Correct answer = 0.8 x 6
Correct answer = 4.8
Find the percentage:
Percentage = 4.8/5.4 x 100
Percentage = 88.89%
Answer: 88.89%
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