जॉइन Examsbookउत्तर : 3. "84%"
A student multiplied a number by 2/5 instead of 5/2. What is the percentage error in evaluation ?5
प्र: A student multiplied a number by 2/5 instead of 5/2. What is the percentage error in evaluation ?
- 152%false
- 264%false
- 384%true
- 477%false
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उत्तर : 3. "84%"
व्याख्या :
Answer: C) 84% Explanation: Let the number be 'x' Then, according to the given data, 52x-25x52xx100 = 2125x100 = 84%