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एक विक्रेता अपना माल क्रय मूल्य पर बेचने का दावा करता हैं, किन्तु 1 किग्रा बाॅट के स्थान 900 ग्राम के झूठे बाॅट का प्रयोग करता है। उसका प्रतिशत लाभ क्या हैं?
- a)11 1/9%
- b)10 1/9%
- c)12 1/9%
- d)13 1/9%
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
, 1 900 ?a)11 1/9%b)10 1/9%c)12 1/9%d)13 1...
माना 1 किग्रा (1000 ग्राम) माल का क्रय मूल्य रु100 है।
900 ग्राम माल का क्रय मूल्य = 100×900 / 1000 = रु90
900 ग्राम माल का विक्रय मूल्य = 100 – 90 = रु10
लाभ = विक्रय मूल्य – क्रय मूल्य = 1000 ग्राम का क्रय मूल्य
प्रतिशत लाभ = लाभ ×100 / क्रय मूल्य 10×100 / 90 = 100 / 9 = 11 1/9%
900 ग्राम माल का क्रय मूल्य = 100×900 / 1000 = रु90
900 ग्राम माल का विक्रय मूल्य = 100 – 90 = रु10
लाभ = विक्रय मूल्य – क्रय मूल्य = 1000 ग्राम का क्रय मूल्य
प्रतिशत लाभ = लाभ ×100 / क्रय मूल्य 10×100 / 90 = 100 / 9 = 11 1/9%
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Community Answer
, 1 900 ?a)11 1/9%b)10 1/9%c)12 1/9%d)13 1...
Understanding the Problem
To solve the problem, we need to determine the percentage increase from 900 to the unknown value (which we will denote as "x").
Calculating the Percentage Increase
1. Identify the Increase:
The increase can be defined as:
Increase = x - 900
2. Percentage Increase Formula:
The formula for percentage increase is:
Percentage Increase = (Increase / Original Value) x 100
3. Substituting the Values:
Using our values, we get:
Percentage Increase = ((x - 900) / 900) x 100
4. Setting Up the Equation:
We want this percentage to equal 11 1/9%.
First, convert 11 1/9% into an improper fraction:
11 1/9% = 11.11...% = 100/9%
Therefore, we set up the equation:
((x - 900) / 900) x 100 = 100/9
Solving for x
5. Cross-Multiplying:
9(x - 900) = 900
6. Expanding and Simplifying:
9x - 8100 = 900
9x = 900 + 8100
9x = 9000
7. Dividing by 9:
x = 9000 / 9 = 1000
Calculating the Percentage
Now, substituting back to find the percentage:
8. Final Calculation:
Percentage Increase = ((1000 - 900) / 900) x 100 = (100 / 900) x 100 = 11.11...% = 11 1/9%
Conclusion
Thus, the correct answer is option 'A', which is 11 1/9%.
To solve the problem, we need to determine the percentage increase from 900 to the unknown value (which we will denote as "x").
Calculating the Percentage Increase
1. Identify the Increase:
The increase can be defined as:
Increase = x - 900
2. Percentage Increase Formula:
The formula for percentage increase is:
Percentage Increase = (Increase / Original Value) x 100
3. Substituting the Values:
Using our values, we get:
Percentage Increase = ((x - 900) / 900) x 100
4. Setting Up the Equation:
We want this percentage to equal 11 1/9%.
First, convert 11 1/9% into an improper fraction:
11 1/9% = 11.11...% = 100/9%
Therefore, we set up the equation:
((x - 900) / 900) x 100 = 100/9
Solving for x
5. Cross-Multiplying:
9(x - 900) = 900
6. Expanding and Simplifying:
9x - 8100 = 900
9x = 900 + 8100
9x = 9000
7. Dividing by 9:
x = 9000 / 9 = 1000
Calculating the Percentage
Now, substituting back to find the percentage:
8. Final Calculation:
Percentage Increase = ((1000 - 900) / 900) x 100 = (100 / 900) x 100 = 11.11...% = 11 1/9%
Conclusion
Thus, the correct answer is option 'A', which is 11 1/9%.
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