Ashifur August 8, 2023 - 14:20
Problem: What will be the profit or loss if 4 mangoes are sold at the same price at which 5 were bought?

View all: AB BANK LTD. | PROBATIONARY OFFICER | WRITTEN QUESTION (MATH) SOLVE | 1997

Correct Answer: Profit rate is 25%

Explanation:

Suppose, buying price of of 5 mangoes Tk. 1

Price of 5 mangoes in Tk. 1

Price of 1 mangoe in Tk $\frac{1}{5}$

Again, selling price of 4 mangoes is Tk. 1

selling price of 1 mangoes is $\frac{1}{4}$

Profit = $\frac{1}{4} – \frac{1}{5}$

= $\frac{1}{20}$

Tk. $\frac{1}{5}$ makes profit = Tk. 20

Tk. 100 makes profit = Tk. $\frac{1\cdot4\cdot100}{20\cdot1}$

= Tk. 25

So, Profit rate is 25%

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