Ashifur August 8, 2023 - 16:48
Problem: Rahman got discount of 20% over the retail price of a book. He eventually saved taka 300 on his total purchase of the books. How many books did he buy if the retail price of a book is 50 taka?

View all: IFIC BANK OFFICER (MTO) | WRITTEN QUESTION (MATH) SOLVE | 2013

Correct Answer: ans: He purchased 30 books.

Explanation:

Given, Retail price of a book = 50 Tk.At 20% discount, purchase price of a book = 50 -50 x 20% = 40Tk.Saved amount per book = 50 — 40 = 1O Tk.

Now 1OTk. is saved in =1 bookNow 300 TK is saved in =$\frac{1\times 300}{10}$= 30 book

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