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A 5 litre jug contains 4 litres of a salt water solution
that is 15 percent salt. If 1.5 litres of the solution
spills out of the jug, and the jug is then filled to
capacity with water, approximately what percent of the
resulting solution in the jug is salt?
(A)7.5% (B)9.5% (C) 10.5% (D) none
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Answer / reddi pavana krishna
5 litre jug contains 4 litres of salt water solution
with 15% of salt, that means it has 4000*.15 = 600 ml salt
in it.
If 1.5 litres solution is spills out, remaining solution
is 2.5 litres, then the salf content is 2500*.15 = 375ml.
Now, the jug is filled to full capacity with water i.e.,
now the jug has 5 litre solution in it.
Now, the salt content is 375/5000 = 7.5%
| Is This Answer Correct ? | 94 Yes | 4 No |
Answer / vimal kaw
The jug contains 4lit of salt water(15% salt). when we
spill 1.5lit , the quantity in the jug becomes 2.5 lit (
the percentage of salt will remain same i.e 15% ):-
= {(15/100*4)/4}*2.5 = 0.375 Lit
when we fill the jug to full capacity, the percentage of
salt will be :
= (0.375/5)*100 = 7.5%
Ans = 7.5 % of salt
| Is This Answer Correct ? | 33 Yes | 2 No |
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