the difference between the compound interest and simple interest on certain sum of money at 20/3 percent per annum for 3 years is rupees 46 find the sum
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Solution:-
___________________________________
let sum of = x
SI = x * 2 * 20 / 300 = 2x/15
CI = x[1+ 20/300]2 – x = 256x/225-x
= (256x -225x)225= ..
.. 31x/225
Therefore,
31x/225– 2x/15= 46
= 31x - 30x = 46× 225
[ x = 10,350] ans
___________________________________
let sum of = x
SI = x * 2 * 20 / 300 = 2x/15
CI = x[1+ 20/300]2 – x = 256x/225-x
= (256x -225x)225= ..
.. 31x/225
Therefore,
31x/225– 2x/15= 46
= 31x - 30x = 46× 225
[ x = 10,350] ans
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