Given: Time = 2 years Rate = 12% CI - SI = ₹ 46.08 Formula used: CI - SI = Principle ×(r/100)2 Calculation: We know that - CI - SI = Principle ×(r/100)2 ⇒ 46.08 = Principle ×(12/100)2 ⇒ Principle =(46.08×100×100)/(12×12) ⇒ Principle = ₹ 3200 ∴ required sum is ₹ 3200.