Question

at what rate percent per annum will rs.800 amount to rs,1000 in 2 years​

Answer 1

Answer:

P = Rs. 800, A = Rs. 1000, n = 2 years

Simple interest = A - P = 1000 - 800 = Rs. 200

Pnr/100 = 200

800 × 2 r/100 = 200

r/100 = 200/1600

r/100 = 1/8

r = 100/8 = 12.5%