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Q: How many questions can you get wrong on a test that has 50 questions in order to score 78 percent?

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If you miss 28 questions out of 70, your score would be 60%

Don't study.

45.4545.. % wrong.

95.0%

60% D

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30/100*25 =7.5 so you must not get more than 7 questions wrong to score 70%

In order to score exactly 70% on a test with exactly 70 questions ... if every questionis worth the same credit ... you have to get 21answers wrong. You can do it.

If you get 7 wrong you'll get 23/30 = 76.66... % Not enough. So fewer than 7. But that is provided that wrong answers score 0 and do not have penalties.

Your score would be 90.91%

In order to score 80% on a test with 30 questions, you must give 6 wrong answers. You can do it!

If you miss 28 questions out of 70, your score would be 60%

You can get 60 questions wrong and get a 70 percent but if you get 61 wrong you are at a 69.5 percent.

Don't study.

if you get 22 questions wrong, you will have a 78%. less then 22 wrong would mean a higher percentage and more then 22 wrong would mean a lower percentage.

.30 x 170 = 51 wrong

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

You can get 20 questions wrong.