A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25%. The percentage of water in the mixture is:
1) 4%
2) 6%
3) 20%
4) 25%

• cp=re.1(milk) Re.0(water)
  sp=125/100cp
  cp=(100/125)*1
  cp=4/5
  1 0
  4/5
  4/5 1/5
  4:1
  % of water=1/5*100=20
• 9 years agoHelpfull: Yes(2) No(1)
• 
  20 gallons of 5% and 40 gallons of 2%..
  (x*5)/100+{(60-x)*2}/100=60*3/100
  x=20
  so 20 gallons of 5%
  and
  40 gallons of 2%.
• 11 years agoHelpfull: Yes(1) No(3)