Question

What is the simple interest earned on Rs. 1000 at the rate of 8% per
annum for 1 year, 2 years, 3 years, 4 years. Show by graphs​

Answer 1

Answer:

Step-by-step explanation:

given,

   principal=1000

    rate of interest=8%

      number of years=1 year

     SI=Pnr/100=1000x1x8/100=rs.80

when n=2 years,SI=1000x2x8/100=rs.160

when n=3years,SI=1000x3x8/100=rs.240

the sequence is  

    80,160,240,...

this is in AP as a,first term=80,d,common difference=80

interest at the end of 30 years,t30=a+(n-1)d

                                                =80+(30-1)80

                                                =80+29(80)

                                                =80+2320

                                                =2400

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Answer 2

Step-by-step explanation:

1year =1000 * 0.08 = 80

2year = 1000 * 0.08 *2 = 160

3year = 1000 * 0.08 *3 = 240

4year = 1000 * 0.08 *4 =320