two equal sums were lent out at 7% and 5% interest respectively.the interests earned on two loans add up to Rs.960 for 4 yrs.find the total sum lent out
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Solution
960/4=240/year interest For one year 7%+5%=12% 12% = 240 1% = 20 100% = 2000. Therefore total sum will be 2000 + 2000 = 4000.