the difference between the Compound interest and simple interest on a certain sum for 3 years is rs.750 at the rate of 12*1/2 %. Find the sum
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12.5%=1/8 then
a = 8unit
shortcut ,... difference of CI and SI for 3 year is (3a+1)unit which is 750
(3×8+1)unit =750
1unit =30
and sum will be a³
(8)³ 512unit .= 512×30=15360 ans....
its shortcut method. get it or not ?? otherwise i will explain it in detail
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