Workbook Detail
Error Analysis Percentage Errors — Set 1
01
80% of 50 = ?
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40
02
75% of 60 = ?
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45
03
3 is 15% of what number?
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20
04
8 is 10% of what number?
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80
05
75% of 20 = ?
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15
06
240 is 60% of what number?
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400
07
Decrease 120 by 75% = ?
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30
08
80% of 80 = ?
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64
09
50 is 10% of what number?
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500
10
Decrease 200 by 15% = ?
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170
11
Increase 80 by 40% = ?
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112
12
40% of 120 = ?
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48
13
30 is 75% of what number?
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40
14
4 is 5% of what number?
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80
15
Decrease 500 by 5% = ?
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475
16
10% of 40 = ?
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4
17
5% of 120 = ?
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6
18
25 is 50% of what number?
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50
19
Increase 400 by 60% = ?
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640