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Chapter 5: Comparing Quantities using Proportion > Profit and Loss

Profit and Loss

Profit and loss involves understanding the relationship between cost price (CP), selling price (SP), and additional expenses. Let's see some examples:

(1) John bought a laptop for Rs. 800 and sold it for Rs. 950

(2) Sarah bought stocks for Rs. 2000 and sold them for Rs. 1800

(3) Mike bought a phone for Rs. 400 and sold it for Rs. 400

(4) Emma bought a car for Rs. 25,000, spent Rs. 2000 on repairs, and sold it for Rs. 30,000

We have:

Simple Profit/Loss = Price - Price

When there are overhead expenses (like repairs, transportation, etc.), they must be added to the price

Thus, Total Cost = Cost Price + Overhead Expenses

Actual Profit/Loss = Price - Price

Meanwhile:

Profit % = ProfitCostPrice × 100

Loss % = LossCostPrice × 100