Q. यदि A:B =1:2, B:C =3:4 और C:D=5:6 है, तो D :C :B:A ज्ञात कीजिए-

Question ID: 44682
  1. 48:40:30:15
  2. 48:30:40:15
  3. 30:15:40:48
  4. 15:30:40:48


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