Sunday, 5 April 2026

Bank Exam Profit & Loss + Discount – Page 8 (Big Set)

Formulas • Shortcut Tricks • Step-by-Step Solutions

🔷 Core Formulas

Profit = SP − CP

Loss = CP − SP

Profit% = (Profit / CP) × 100

Loss% = (Loss / CP) × 100

🔷 Basic Problems

Q1. CP=100, SP=120

Profit = 20

Profit% = 20%

Q2. CP=200, SP=240

= 20%

Q3. CP=500, SP=600

= 100/500 ×100 = 20%

Q4. CP=400, SP=360

Loss = 40

Loss% = 10%

Q5. CP=800, SP=720

Loss% = 10%

🔷 Successive Profit/Loss

Q6. 10% profit twice

= 1.1 × 1.1 = 1.21 → 21%

Q7. 20% profit twice

= 1.2 × 1.2 = 1.44 → 44%

Q8. 10% loss twice

= 0.9 × 0.9 = 0.81 → 19% loss

Q9. 20% loss twice

= 0.8 × 0.8 = 0.64 → 36% loss

Q10. 20% gain then 20% loss

= 1.2 × 0.8 = 0.96 → 4% loss

🔷 Discount Problems

Q11. MP=1000, Discount=20%

SP = 800

Q12. MP=500, Discount=10%

SP = 450

Q13. MP=800, Discount=25%

SP = 600

Q14. MP=2000, Discount=30%

SP = 1400

Q15. MP=1000, Discount=50%

SP = 500

🔷 Combined Problems

Q16. CP=1000, gain 20%, discount 10%

SP = 1200 × 0.9 = 1080

Q17. CP=500, loss 10%, discount 20%

SP = 450 × 0.8 = 360

Q18. MP=1000, discount 20%, gain 25%

CP = 800 / 1.25 = 640

Q19. CP=800, SP=1000

Profit% = 200/800 ×100 = 25%

Q20. CP=600, SP=480

Loss% = 120/600 ×100 = 20%

🔥 Topper Tricks

Use multiplication method (1±x)
Avoid long calculation
Remember successive formula
Convert % to decimal fast

Final Tip

Convert % → Multiply → Solve Fast

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