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A shopkeeper earns a profit of Rs 1 by selling one copy and incure a loss of 40 paise per pen while selling pens of his old stock. In a particular month he incurs a loss of Rs 5. In this period he sold 45 copy. How many pens did he sell in this period?  
  • a)
    175
  • b)
    150
  • c)
    125
  • d)
    100
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A shopkeeper earns a profit of Rs 1 by selling one copy and incure a l...
Loss = Rs 5
Profit gained by selling one pen = Re. 1
Profit gained by selling 45 pens = Rs 45
45 + x = - 5
x = - 50
So, a loss of Rs 50 has occurred while selling pencils.
No. of Pencils sold = 50 / 0.40
                              = 125
She sold 125 pencils in this period.
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Most Upvoted Answer
A shopkeeper earns a profit of Rs 1 by selling one copy and incure a l...
Given:
Profit earned by shopkeeper by selling one copy = Rs 1
Loss incurred by shopkeeper per pen while selling old stock = 40 paise = Rs 0.4
Loss incurred by shopkeeper in a month = Rs 5
Number of copies sold in a month = 45

To find: Number of pens sold in the same period

Solution:
Let the number of pens sold be x
Total profit earned by selling x copies of pens = Rs x
Total loss incurred while selling x pens from old stock = Rs 0.4x
Given, total loss incurred in the month = Rs 5
Therefore, we have the equation:
Rs x - Rs 0.4x = Rs 5
Simplifying the above equation:
Rs 0.6x = Rs 5
x = 8.33 (approx)

Since the number of pens sold must be a whole number, we can round off the above value to the nearest multiple of 5, which is 125.
Therefore, the shopkeeper sold 125 pens in the given period.

Answer: Option C) 125
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A shopkeeper earns a profit of Rs 1 by selling one copy and incure a loss of 40 paise per pen while selling pens of his old stock. In a particular month he incurs a loss of Rs 5. In this period he sold 45 copy. How many pens did he sell in this period? a)175b)150c)125d)100Correct answer is option 'C'. Can you explain this answer?
Question Description
A shopkeeper earns a profit of Rs 1 by selling one copy and incure a loss of 40 paise per pen while selling pens of his old stock. In a particular month he incurs a loss of Rs 5. In this period he sold 45 copy. How many pens did he sell in this period? a)175b)150c)125d)100Correct answer is option 'C'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about A shopkeeper earns a profit of Rs 1 by selling one copy and incure a loss of 40 paise per pen while selling pens of his old stock. In a particular month he incurs a loss of Rs 5. In this period he sold 45 copy. How many pens did he sell in this period? a)175b)150c)125d)100Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A shopkeeper earns a profit of Rs 1 by selling one copy and incure a loss of 40 paise per pen while selling pens of his old stock. In a particular month he incurs a loss of Rs 5. In this period he sold 45 copy. How many pens did he sell in this period? a)175b)150c)125d)100Correct answer is option 'C'. Can you explain this answer?.
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