Anil bought certain number of books at the rate of 12 books for Rs 18 and sold them at the rate of 18 books for Rs 30.Find his profit `//`loss percentageA. `9.(1)/(1)%`B. `10%`C. `11.(1)/(9)%`D. `12.(1)/(2)%`

Anil bought certain number of books at the rate of 12 books for Rs 18

1.	Anil bought certain number of books at the rate of 12 books for Rs 18 and sold them at the rate of 18 books for Rs 30.Find his profit `//`loss percentageA. `9.(1)/(1)%`B. `10%`C. `11.(1)/(9)%`D. `12.(1)/(2)%`
Answer» Correct Answer - C while caculating the profit `//` loss percentage we must consider equal number of books beings bought and sold. The cost price of each book `=Rs (18)/(12)=Rs .(3)/(2)` The selling price of each book `= Rs (30)/(18) =Rs .(5)/(3)` As `(3)/(2) lt (5)/(3) ` a profit is made Profit `% = ((5)/(2)-(3)/((2)/(3)x) xx (100%)` `=((1)/(6))/((3)/(2))xx (100%) =11.(1)/(9)%`

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Anil bought certain number of books at the rate of 12 books for Rs 18 and sold them at the rate of 18 books for Rs 30.Find his profit `//`loss percentageA. `9.(1)/(1)%`B. `10%`C. `11.(1)/(9)%`D. `12.(1)/(2)%`

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