sum of rupees 1000 is invested at 8% per annum simple interest calculate the interest at the end of one two three years is the sequence of interest and AP find the interest at the end of 30 years
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as the formula for simple interest is I= p*r*t /100
i= 1000*1*8/100
interest on 1 year will be 80 rs
interest on second year will be 160 rs
on 3 rd year 240 rs
airthmetic progression will be like this a,a+d ,a+2d .......
80,80+80,80+2*80,80+3*80......
at the end of 30 years interest will become 2400 rs
i= 1000*1*8/100
interest on 1 year will be 80 rs
interest on second year will be 160 rs
on 3 rd year 240 rs
airthmetic progression will be like this a,a+d ,a+2d .......
80,80+80,80+2*80,80+3*80......
at the end of 30 years interest will become 2400 rs
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plz refer to this attachment
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