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Nov 01, 2019 3:04 pm
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C
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Difficulty:
65%
(hard)
Question Stats:
67% (02:40) correct
33%
(02:33)
wrong
based on 476
sessions
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Not Attempted Yet
Eighty students are attending summer school courses at Beaver Falls High School.X have registered for Spanish,Y have registered for Math, and Z have registered for neither Spanish nor Math.How many have registered for BOTH Spanish and Math?
(1) Thirty students are not taking Spanish.
(2) Y=40% of X,while Z=75% of Y
Are You Up For the Challenge: 700 Level Questions
(1) Thirty students are not taking Spanish.
(2) Y=40% of X,while Z=75% of Y
Are You Up For the Challenge: 700 Level Questions
Nov 01, 2019 3:36 pm
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Bunuel
Let the number of students who registered for both = A
Refer to table structure,
(1) Thirty students are not taking Spanish.
--> Insufficient
(2) Y=40% of X,while Z=75% of Y
--> Insufficient
Combining (1) & (2),
--> A + 15 = 20
--> A = 5 --> Sufficient
IMO Option C
>> !!!
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Nov 02, 2019 11:57 am
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Bunuel
solve using 2x2
the question would be solved using both stmnts
---s---ns----total
M--5---15----20
NM- 45--15---60
total--50--30--80
IMO C ; 5
