90% of 21 = 18.9
So, in order to score 90% on a test with 21 questions,
you can't miss more than two of them.
You can get 5 out of 50 questions wrong to get 90%.
90% of 20 questions = 90*20/100 questions = 1800/100 = 18 questions.
92 percent of 75 questions is 69 questions.
90%-74% = 16%
(18 ÷ 20) × 100 = 90 Therefore: 90%
22
90% of 21= 90% * 21= 0.9 * 21= 18.9
21% of 90= 21% * 90= 0.21 * 90= 18.9
You can get 5 out of 50 questions wrong to get 90%.
90% of 20 questions = 90*20/100 questions = 1800/100 = 18 questions.
21 questions out of 25
5
90%.
90%.
To get exactly 90% you need to miss 5.6 questions.
100*(21/25) % = 84%
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