Wednesday, 22 April 2026

 

Profit & Loss – Advanced Tricks + Discount Models

Master profit, loss and discount problems using shortcut methods for bank exams.


🔥 Shortcut Tricks

  • Profit = SP − CP
  • Profit% = (Profit/CP) × 100
  • SP = CP × (100 ± %)/100
  • Successive change = a + b + (ab/100)

Solve in 5 Seconds

Q1: CP = ₹100, Profit = 20% → SP?

Answer: ₹120


Q2: MP = ₹1000, Discount = 10% → SP?

Answer: ₹900


 Exam Level Questions

Q3: CP = ₹500, SP = ₹600 → Profit %?

Solution:
Profit = 100
% = (100/500) × 100 = 20%


Q4: CP = ₹800, Loss = 25% → SP?

Solution:
SP = 800 × 75/100 = ₹600


Q5: Marked 25% above CP, discount 10% → Profit?

Shortcut:
25 − 10 − (25×10/100) = 12.5%


Q6: Gain 20%, then loss 20% → Net?

Solution:
20 − 20 − (20×20/100) = −4%

Answer: 4% loss


❌ Exam Trap

Q: +20% and −20% = 0?

Trap: ❌ WRONG

Correct:
Net = −4%


 Speed Booster Tip

Always use percentage change formula instead of full calculation.




Shaktimatha Learning
Quant • Profit & Loss • Bank Exam Preparation

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