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22 Apr 2020, 08:18
Kudos
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E
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Difficulty:
25%
(medium)
Question Stats:
74% (01:09) correct
26%
(01:12)
wrong
based on 53
sessions
History
Date
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From a container containing 30 ounces of a liquid, 0.25 ounces of the liquid evaporates in every 2 hours. What percentage of the original amount of liquid will be left after 24 hours?
A. 10%
B. 20%
C. 50%
D. 80%
E. 90%
A. 10%
B. 20%
C. 50%
D. 80%
E. 90%
24 Apr 2020, 00:37
Kudos
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Kritisood
In 2 hrs, 0.25 ounces of the liquid evaporates.
So, in 12*2 hrs, 12*0.25 ounces of the liquid will evaporate. => 12*0.25=3 ounces.
Liquid remaining after 24 hrs = 30-3 = 27 ounces, and in % = \(100*\frac{27}{30}\) = 90%
E
