a sum of rs.46000 was lent out at simple interest and at the end of 1 year and 9 months the total amount was es.52440 find the rate of interest per year
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Step-by-step explanation:
principal=46000
time=1year9months
=12+9months
=21months
=21/12years
=7/4years
amount=524400
simple interest=amount-principal
=52440-46000
=6440
rate of interest=100*simple interest/principal*time
=100*6440/46000*7/4
=8%
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