Answer / ranjithkumar.t

 M25 = 1:1:2 ( for 1 M^3 )
ingredient value of 40mm- 1.52 

if you use 40mm aggregate otherwise 20mm aggregate ingredient value is 1.56

  cement  =1/4*1.52*28.8
          = 10.94 bags => say 11 bags
   
  Sand   = 1/4*1.52
         = 0.38 cubic meter => say 13.4 CFT

Aggregate = 2/4*1.52
          = 0.76 cubic meter => say 26.8 CFT

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