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Subjects>Math>Basic Math

What is 90 percent of 21 questions?

Updated: 4/28/2022

Wiki User

∙ 13y ago

Best Answer

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.

Wiki User

∙ 13y ago

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Continue Learning about Basic Math

What questions can you get wrong to get a 90 percent if there are 50 questions?

You can get 5 out of 50 questions wrong to get 90%.

What is 90 percent of 20 questions?

90% of 20 questions = 90*20/100 questions = 1800/100 = 18 questions.

What is the answer for 90 percent -74 percent equals?

90%-74% = 16%

Is 0.900 percent equal to 90 percent?

0.900 percent = 0.90 percent = 0.9 percent = 9/10 percent 0.900 percent = 0.009 0.900 = 90 percent

What is 30 percent off 90?

90 minus 30 percent - and therefore 30 percent OFF the number, is equal to 90 x (1 - (30 / 100)) = 90 x (1 - 0.3) = 90 x 0.7 = 63. 30 percent OF 90 is equal to 90 x (30 / 100) = 90 x 0.3 = 27

Related questions

How many questions can you miss to get a 75 percent on a 90 question test?

22

What 90 percent of 21?

90% of 21= 90% * 21= 0.9 * 21= 18.9

What is 90 percent of 21?

21% of 90= 21% * 90= 0.21 * 90= 18.9

What questions can you get wrong to get a 90 percent if there are 50 questions?

You can get 5 out of 50 questions wrong to get 90%.

What is 90 percent of 20 questions?

90% of 20 questions = 90*20/100 questions = 1800/100 = 18 questions.

How many questions can you get wrong to get 90 percent if there are 50 questions?

5

What percent of questions were answered correctly if you get three wrong out of thirty questions?

90%.

You get ten questions wrong out of hundred - what percent of questions were answered correctly?

90%.

How many questions can you miss to get 90 percent on a 56 question test?

To get exactly 90% you need to miss 5.6 questions.

If 21 of 25 questions were answered correctly. What percent of the questions were correct?

100*(21/25) % = 84%

How many answers can i get wrong to receive a 90 percent out of 90 questions?

1

How do you achieve a score of 90 percent out of 60 questions?

54

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