Problem: A manufacturer sells a pair of glasses to a wholesale retailer at a profit of 18%. The wholesaler sells the same to a retailer at a profit of 20%. The retailer in turn sells them to acustomer for Tk.30.09, there by earning a profit of 25%. What is the cost price of the manufacturer?
View all: PROBASY KALYAN BANK (JO) | WRITTEN QUESTION (MATH) SOLVE | 2014
Correct Answer: 17
Explanation:
Let the cost price of the manufacturer x Tk
After 18% profit sells price = x + x($\frac{18}{100}$) =$\frac{118x}{100}$
After adding 20% profit on it new sells price = $\frac{118x}{100}$+20 % of $\frac{118x}{100}$ = $\frac{708x}{500}$
There by earning profit 25% on It new sells price =$\frac{708x}{500}$+25% of $\frac{708x}{500}$ =$\frac{117x}{100}$
Here according to the questions, $\frac{117x}{100}$= 30.09
=> 177x = 3009
x = 17
