Question
Download Solution PDFA stationery vendor buys pencils at the rate of 21 pencils for Rs. 20 and sells them at the rate of 20 pencils for Rs. 21. His profit percent is about:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFAccording to the given information:
A stationery vendor buys pencils at the rate of 21 pencils for Rs. 20 and sells them at the rate of 20 pencils for Rs. 21.
Given:
Cost Price of 21 pencils = Rs. 20
Selling Price of 20 pencils = Rs. 21
Selling Price of 1 pencil = Rs. 21 / 20 = Rs. 1.05
Selling Price of 21 pencils = 21 × 1.05 = 22.05
⇒ Profit = Selling price - Cost price
⇒ Profit = 22.05 - 20
⇒ Profit = 2.05
⇒ Profit% = (profit/cost price) × 100
⇒ Profit% = (2.05 / 20) × 100
⇒ Profit% = (0.1025) × 100
⇒ Profit% = 10.25
Thus, the profit percent is 10.25 ≈ 10.
Hence, the correct answer is "10".
Last updated on May 8, 2025
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