Chapter 16 · Class 7 ICSE · Formula Sheet
Profit, Loss & Discount Formulas — Class 7 ICSE
Calculate profit, loss, discount, and marked price in commercial mathematics contexts.
Key Formulas
Profit
\text{Profit} = \text{SP} - \text{CP}
Loss
\text{Loss} = \text{CP} - \text{SP}
Profit %
\text{Profit \%} = \dfrac{\text{Profit}}{\text{CP}} \times 100
Loss %
\text{Loss \%} = \dfrac{\text{Loss}}{\text{CP}} \times 100
SP (Profit)
\text{SP} = \text{CP} \times \dfrac{100 + \text{Profit\%}}{100}
SP (Loss)
\text{SP} = \text{CP} \times \dfrac{100 - \text{Loss\%}}{100}
Simple Interest
\text{SI} = \dfrac{P \times R \times T}{100}
Amount
A = P + \text{SI}
Worked Examples
1Using: Application
Apply the key formula from this topic to a sample problem.
Step 1: Identify the formula.
Step 2: Substitute the values.
Step 3: Simplify to get the answer.
Answer: See solution above
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