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The answer depends on whether or not there are penalties (negative marks) for wrong answers. If not, then the answer is 30.

Q: How many questions can you get wrong on 100 question test to get 70 percent?

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Each question is worth 2.5 percent. You can get 8 wrong.

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

You can get 63 questions wrong and get 70%.

69 questions

20

Related questions

Each question is worth 2.5 percent. You can get 8 wrong.

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

You can get 63 questions wrong and get 70%.

69 questions

Nine.

20

22 questions can be wrong. This means that you would have to get 33 marks, which is 60%

You can get 20 questions wrong.

10 can be wrong and 30 right; 30/40 = 75%

30

14 of them.

5