Ex.8: Mr A lent at simple interest Rs 7200 partly at 6% p.a and partly – InterviewSolution

1.	Ex.8: Mr A lent at simple interest Rs 7200 partly at 6% p.a and partly% р.a. Ifthe interest received after one year is Rs.450, how muchat 7did he lend at different rate of interest?
Answer» suppose in 6% he lent x and in 7% he lent 7200-xso total interest(x×6×1)/100+(7200-x)7/100=4506x+50400-7x=45000so x=5400so in 6% he lent 5400 and in 7% he lent 7200-5400=1800

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