Question

2 2. Find the Principal when : (i) S.I. = 112.5, Rate = 6% per annum, Time - 2. years 2 2 1 (ii) S.I. = 216, Rate = 9% per annum, Time 1 1 2 years 3. Find time when : (i) Principal = 900, Rate = 8.5% per annum, S.I. = 229.5 (ii) Principal 18000, Rate 7% per annum, S.I. = 4410 Find the rate per cent per annum when (i) Principal 300, Time 2 years, S.I. = 37.5 (ii) Principal = 15000, Time 3 2 years, S.I. = 5775 5. Find the principal when : (i) Amount - 1089, Time 3 17 3 years, Rate = 6% per an of​

Answer 1

Answer:

from formula

S.I= P×(1+R×T)

1). 112.5=P×(1+6×30months)

P= 112.5/181

P=0.6

Step-by-step explanation: