Rs.2420 were divided among A, B, C so that A: B=5 : 4 and B : C = 9 : 10 then C gets
solution
A:BÂ Â Â Â Â Â Â Â Â Â Â Â {multiplying AÂ and B with 9}
5:4Â
  B:C         {multiplying B and C with 4}
  9:10     Â
we get A:B:C = 45:36:40
A+B+C = 45+36+40 = 121 unitsÂ
121 units = 2420Â
1 unit = 20
amount with C = 40 units = 40$$\times$$20 = 800
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