Question

what sum amounts to rs1044 in 4 years at simple interest,find the rate of interest ​

Answer 1

Answer:

Sol: Principal = Rs 900 Amount = Rs 1044Time = 4 years Let the rate of interest = R% Simple interest = A - P = 1044 - 900 = Rs 144 Simple interest = (P × T × R) / 100144 = (900 × 4 × R) / 100 ⇒ R = (144 × 100) / (900 × 4) ⇒ R = 4 Therefore, rate of interest is 4% Case (ii) Let the Principal = P Rate of interest = 4% ...