🏷️ Discount - Formula Sheet

🎯 Basic Formulas

Discount Amount

Discount = Marked Price × Discount Rate / 100

Selling Price

SP = Marked Price - Discount
SP = MP × (100 - Discount%)/100

Marked Price

MP = SP / (100 - Discount%) × 100

📊 Successive Discounts

Two Successive Discounts

Effective Discount = d₁ + d₂ - (d₁ × d₂)/100

Three Successive Discounts

Effective Discount = d₁ + d₂ + d₃ - (d₁×d₂ + d₂×d₃ + d₁×d₃)/100 + (d₁×d₂×d₃)/10000

🔢 Profit/Loss with Discount

Cost Price and Discount

CP = MP × (100 - d) × (100 + p) / 10000

Where:

• d = discount percentage
• p = profit percentage

Loss and Discount

CP = MP × (100 - d) × (100 - l) / 10000

Where l = loss percentage

⚡ Quick Calculations

Discount Equivalents

10% discount = 1/10 of MP
20% discount = 1/5 of MP
25% discount = 1/4 of MP
50% discount = 1/2 of MP

Shopkeeper’s Profit

Shopkeeper's Profit = Discount Amount - Actual Discount

📝 Memory Tips

1. Discount is always calculated on Marked Price
2. Successive discounts: multiply the factors
3. Effective discount < sum of individual discounts
4. Check if question asks for CP, SP, or MP

Master Discount - Always calculate on Marked Price! 🏷️