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15 Jan 2026, 22:00
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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:
45%
(medium)
Question Stats:
55% (00:56) correct
45%
(00:57)
wrong
based on 125
sessions
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Solutions A, B, and C are mixed. What is the ratio of alcohol and water in the resultant solution?
(1) A contains 20% alcohol, B contains 20% alcohol, and C contains 80% water.
(2) All solutions contain only water and alcohol.
(1) A contains 20% alcohol, B contains 20% alcohol, and C contains 80% water.
(2) All solutions contain only water and alcohol.
16 Jan 2026, 02:07
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ExpertsGlobal5
This is a classic trap question
(1) Not sufficient since we have no idea of the constituents (for example, A and B might not have water and C might not have alcohol)
(2) Not sufficient since we have no idea of the concentration of alcohol / water in the solutions
Combining 1 and 2:
If you look carefully, each of A, B and C have only alcohol and water and the percent of alcohol in each of A, B and C is 20%
(Note: Percent of alcohol in C is 100 - 80 = 20%)
Thus, the quantities of A, B and C are irrelevant and the final mixture will simply have 20% alcohol and 80% water => Ratio = 1:4
Answer C (combining both statements)
18 Jan 2026, 10:45
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ExpertsGlobal5
Explanation Video:
