Workbook Detail
Error Analysis Percentage Errors — Set 99
01
1 is 5% of what number?
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20
02
What percent is 10 of 50?
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20
03
Increase 60 by 50% = ?
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90
04
What percent is 16 of 80?
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20
05
What percent is 250 of 500?
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50
06
5% of 500 = ?
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25
07
48 is 80% of what number?
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60
08
150 is 30% of what number?
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500
09
Decrease 50 by 30% = ?
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35
10
What percent is 3 of 60?
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5
11
What percent is 72 of 120?
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60
12
What percent is 15 of 150?
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10
13
What percent is 60 of 150?
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40
14
2 is 10% of what number?
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20
15
8 is 20% of what number?
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40
16
10% of 120 = ?
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12
17
20% of 20 = ?
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4
18
Decrease 200 by 80% = ?
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40
19
Increase 120 by 5% = ?
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126
20
60% of 200 = ?
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120