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Find the compound interest on Rs 12000 f...

Find the compound interest on Rs 12000 for 3 years at 10% per annum compounded annually.

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∴ Amount after `3` years `= P(1+R/100)^ 3`
`=`Rs.`12000xx(1+10/100​)^3`
`=`Rs.`12000xx(1+1/10)^3`
`=`Rs.`12000xx(11/10​)^3`
`=`Rs.`12000xx11/10xx11/10xx11/10=`Rs.`(12xx11xx11xx11)=`Rs.`15972`
Now Compound interest `= A - P

⇒` Compound interest `=` Rs. `15972-` Rs.`12000 =` Rs. `3972`
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