a 20ltr solution contains oil mand kerosene in the ratio 3:5. if 4lts of themixture is replaced with 4lts of kerosene .what will be the ratio of oil and kerosene?

• in 20 litre oil=7.5
  kerosene=12.5
  4 litre mixture is replace i.e=1.5 oil and 2.5 kerosene
  so 6=oil
  10 =kerosene remaining
  now 4 litre kerosene added
  so new ratio 6:14=3:7
• 12 years agoHelpfull: Yes(12) No(1)
• initially 3:5 ratio in 20 ltr,
  there will be no change in ratio after removing 4 ltr.,
  still ratio is 3:5 in 16 ltr
  change occur when 4 ltr kerosene added then
  ratio=3x:5x+4
  now 3x+5x+4=20, x=2
  so new ratio 6:14 or 3:7 ans.
• 12 years agoHelpfull: Yes(7) No(0)