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from unity and express the answer in decimals” as 0.45. The percentage of error in his answer wasA boy found the answer for the question “subtract the sum of 1 and 1 4 5
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100 % 11 - 50%
- 10%
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200 % 11
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Correct Option: D
According to question ,
Correct answer = 1 – | + | 4 | 5 |
Correct answer = 1 – | 20 |
Correct answer = 1 – | = | |||
20 | 20 |
Incorrect answer = 0.45 = | ||
100 |
Incorrect answer = | ||
20 |
Error = | - | |||
20 | 20 |
Error = | = | |||
20 | 10 |
Percentage error = | × 100 | |
10 | ||
20 |
Percentage error = | × | × 100 | ||
10 | 11 |
Percentage error = | % | |
11 |