95% of the questions, provided there are no penalties for wrong answers.
20
45 were correctly answered
25 Questions
You need to answer 21 questions out of 30 correctly to get a 70%.
Questions correct are 130 * 0.92 or 120.
20
-- Since she answered 86 percent of the questions correctly, she answered the remaining 14 percent of them incorrectly. -- 14% of 100 questions is 14 questions.
45 were correctly answered
25 Questions
You need to answer 21 questions out of 30 correctly to get a 70%.
Questions correct are 130 * 0.92 or 120.
40% of 10 = 4 So four questions out of ten is answered correctly.
138 answered correctly.
You would need to answer 68 questions correctly.
1
72/.75 = 96
If you answered 27 correctly and 18 incorrectly, you would have answered 60% correctly.