A sum was invested for 3 years at simple interest at a certain rate. Had it been invested at 4% higher rate of interest, it would have fetched Rs 600 more. The sum is

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Let the rate of interest be R (Interest at rate (R+4)%)–(Interest at R%) = 600(PT(R+4)/100) –(PTR/100) = 6003PR +12P –3PR = 60000 12P = 60000 P = 5000

A sum was invested for 3 years at simple interest at a certain rate. Had it been invested at 4% higher rate of interest, it would have fetched Rs 600 more. The sum is

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