The differnt between the compound and simple interest on a certain sum of 2 year at 10prasnt p.a is Rs 300 find the aum
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let sum is p
a/c to question ,
CI-SI=300
p{(1+r/100)^n-1}-p x r x t/100 =300
=>p{(1+10/100)^2-1}-p x 10x 2/100=300
=>p(1.21-1)-0.2p=300
=>p(0.21-0.2)=300
=>p(0.01)=300
=>p=300/(0.01)=30000 Rs
a/c to question ,
CI-SI=300
p{(1+r/100)^n-1}-p x r x t/100 =300
=>p{(1+10/100)^2-1}-p x 10x 2/100=300
=>p(1.21-1)-0.2p=300
=>p(0.21-0.2)=300
=>p(0.01)=300
=>p=300/(0.01)=30000 Rs
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