Math, asked by rnpowersolution, 4 months ago

Sonia took an exam and got 275 questions correct. If her
score was 55 %, how many questions were on the test?

Please answer the question correct.​

Answers

Answered by sikarwarkanha165
0

I can give you this type of question's solution , you can do it by that method only you have to replace your digits

95%

95%To obtain score of 80% on entire exam means the student have to answer

95%To obtain score of 80% on entire exam means the student have to answer(80/100)×80 = 64 correct answers

95%To obtain score of 80% on entire exam means the student have to answer(80/100)×80 = 64 correct answersStudent have already answered 75% of the first 60 questions correctly meaning

95%To obtain score of 80% on entire exam means the student have to answer(80/100)×80 = 64 correct answersStudent have already answered 75% of the first 60 questions correctly meaning(75/100)×60=45 correct answers from first 60 questions

95%To obtain score of 80% on entire exam means the student have to answer(80/100)×80 = 64 correct answersStudent have already answered 75% of the first 60 questions correctly meaning(75/100)×60=45 correct answers from first 60 questionsRemaining correct answers s/he have to answer

95%To obtain score of 80% on entire exam means the student have to answer(80/100)×80 = 64 correct answersStudent have already answered 75% of the first 60 questions correctly meaning(75/100)×60=45 correct answers from first 60 questionsRemaining correct answers s/he have to answer64-45=19

95%To obtain score of 80% on entire exam means the student have to answer(80/100)×80 = 64 correct answersStudent have already answered 75% of the first 60 questions correctly meaning(75/100)×60=45 correct answers from first 60 questionsRemaining correct answers s/he have to answer64-45=19So from remaining 20 questions s/he have to answer 19 correct questions that is

95%To obtain score of 80% on entire exam means the student have to answer(80/100)×80 = 64 correct answersStudent have already answered 75% of the first 60 questions correctly meaning(75/100)×60=45 correct answers from first 60 questionsRemaining correct answers s/he have to answer64-45=19So from remaining 20 questions s/he have to answer 19 correct questions that is20 × (x/100) = 19

95%To obtain score of 80% on entire exam means the student have to answer(80/100)×80 = 64 correct answersStudent have already answered 75% of the first 60 questions correctly meaning(75/100)×60=45 correct answers from first 60 questionsRemaining correct answers s/he have to answer64-45=19So from remaining 20 questions s/he have to answer 19 correct questions that is20 × (x/100) = 19x = 19 ×(100/20)

95%To obtain score of 80% on entire exam means the student have to answer(80/100)×80 = 64 correct answersStudent have already answered 75% of the first 60 questions correctly meaning(75/100)×60=45 correct answers from first 60 questionsRemaining correct answers s/he have to answer64-45=19So from remaining 20 questions s/he have to answer 19 correct questions that is20 × (x/100) = 19x = 19 ×(100/20)x = 95%

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