A container contains 40 litres of milk. From this container 4 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?
A. 26.34 litres B. 27.36 litres
C. 28 litres D. 29.16 litres

• x*((x-y)/x)^n
  40*(36/40)^3=>29.16
• 9 years agoHelpfull: Yes(6) No(0)
• M W
  36 4
  32 8
  28 12
  ANS=28
• 9 years agoHelpfull: Yes(4) No(4)
• Direct formula
  let original liquid X liters ...liquid replaced by water x liters
  Then X((X-x)/X)^n ..by this
  40((40-4)/40))^3 becoz replace one time and repeated further 2 times ------total 3 times
  Ans is 29.16 liters
  
• 9 years agoHelpfull: Yes(3) No(0)