Question

the SI on a certain sum of money at the rate of 4% per annum for 3 years is rupees 1200 find the CI on the same amount at rate of 10% per annum for 3 years​

Answer 1

SI = PRT/100

si = 1200*4*3/100

si. = 48*3

si = 144

now si = 144=PRT/100

144=1200*10*3/100

144= 360

Therefore SI is 144

And New principle is 360