Question

9000 becomes 18000 at simple interest in 8 years find the rate percent par anum

Answer 1

Principal=Rs9000
Amount=Rs18000
S.I=A-P
=18000-9000
=9000Rs

R=S.I*100/P*N
=9000*100/9000*8
=900000/72000
=12.5%

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