Rs 4000 is divided into two parts such that one part is put out at 3% and other at 5%. If the annual interest earned from both the investment be Rs 144, Find the first part

1) 4000
2) 2800
3) 3800
4) 3500
5) 2600

• 2. 2800 Answer average rate = 144/4000*100 =3.6%
  
  Now apply allegation rule, which gives
  7:3 ratio,
  First part = 7/10*4000= 2800 ans.
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