Question

A bookseller purchased 100 storybooks for rupees 2,000 and sold each storybook for rupees 24. What was his profit in rupees and in percentage? Th

Answer 1

c. p of a book = 2000÷100
= 20 rs
S. p. of a book = 24 rs
Profit on a book = S. p. - c. p.
= 24 - 20
= 4 rs
Profit % = profit × 100/c.p
= 4 × 100/20
= 4×5
20%
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Answer 2

A bookseller purchased 100 story books for ₹ 2000

⇒ 100 books = ₹ 2000

⇒ 1 book = ₹ 2000/100

⇒ 1 book = ₹ 20/1

⇒ 1 book = ₹ 20         ..............(Cost Price)

And Sold each storybook for  ₹24

⇒ 1 book = ₹ 24         ..............(Selling Price)  

Profit = Selling Price - Cost Price

⇒ Profit = ₹ 24 - ₹ 20

⇒ Profit = ₹ 4        

Profit Percentage = Profit/Cost Price × 100 %

⇒ Profit Percentage = 4/20 × 100 %

⇒ Profit Percentage = 1/5 × 100 %

⇒ Profit Percentage = 100/5 %

⇒ Profit Percentage = 20 %