A sum of Rs. 63,000 amounts to Rs.82,845 in 6 yrs at simple interest . What is the rate of Interest?
Principal= Rs. 63000, T= 6 yrs, Amount= Rs. 82,845 Amount = P + I 82845 = 63000 + I ⟹ I = Rs.19,845 R= (SI× 100)/(P×T)⇒(19845 × 100)/(63000 × 6) ∴ R= 5x1/4% p.a.