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27 Jan 2021, 05:45
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
83% (02:11) correct
17%
(02:32)
wrong
based on 95
sessions
History
Date
Time
Result
Not Attempted Yet
Milk contains 6% water. What quantity of pure milk should be added to 15 liters of milk to reduce this to 4%?
(A) 6.5 liters
(B) 7 liters
(C) 7.5 liters
(D) 8 liters
(E) 8.5 liters
(A) 6.5 liters
(B) 7 liters
(C) 7.5 liters
(D) 8 liters
(E) 8.5 liters
27 Jan 2021, 06:03
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Ans C
We can solve this question using a mixture and allegation
We can solve this question using a mixture and allegation
Attachments
milk n water.png [ 15.81 KiB | Viewed 10884 times ]
27 Jan 2021, 06:54
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meanup
hey meanup
nice work
i did this \(\frac{0,09}{(15+x)} = 0,04 \) and got \(x = 0.75 mm \)
why am i getting 0,75 and not 7.5 ? any idea ?
Why are you assuming milk is 94 ? Dont we have 15 litres of milk in total ?
