Answer / pawan

15 litre water contains 20% alcohal ie. 12 (water)+ 3
(alcohol).
after adding 5 liter water it becomes 12+5=17 (water)& 3
(alc.).
ie. 17:3 and answer will be 85:15. ie. 15%.

Answer / guest

15%

Answer / manoj

after added water
water %=17/20*100=85%
alcoho%=15%

Answer / rk reddy

15 liters water
20% of alcohol means 3liters in 15 lts
now 15+5=20liter
required percentage is 3/20*100=15%
correct answer is 15%

Answer / milind

In 15 Ltrs Water containing 20% alcohol, when 5 Lts water
added, Alchol containt remain the same only percentage
changed as water quantity incresed by 5 Ltr.

So now in 20 Ltr Water Alcohol is 15%

Answer / kirti

20%

Answer / raef mostafa

20% Alcohol represents 3 Ltrs from the 15 Lts Water
Water = 12 ltrs
By adding 5 more lts of water total water is 17 lts +
alcohol 3 ltrs
Which represent approx.6%

Answer / techbots

15 ltrs water containing 20% alcohol means

say the water contents are X ltrs

then alcohol contents would be 0.2X ltrs

so X+ 0.2X = 15 ltrs

so X=1.25 ltrs

now add 5 ltrs of water so total volume will be 20 ltrs

so now the % is 1.25*100/20 = 6.25%

Answer / palam

15lts water =20%
5 lts add
total=15+5=20
20tls=x
15x=20*20
15x=400
x=400/15
x=26.666
x~27%

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