Ramesh lent out a part of Rs. 42000 at 6% per six months. The rest of the amount is lent out at 5% per annum after one year. The ratio of interest after 3 years from the time when the first amount was lent is 9:5 Find the second part that was lent out at 5%.
A)28000 B)21000 C)24000 D)14000 E)None of these
B. 28800
C. 30080
D. 20500

• first part=x
  [x*(0.06)*6]/(38800-x)*0.05*2=5/4
  1.44x=19400-0.5x
  x=10000
  second part=38800-10000
  =28800
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