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08 Feb 2024, 14:17
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
75%
(hard)
Question Stats:
49% (01:50) correct
51%
(02:05)
wrong
based on 197
sessions
History
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In a sports event, a total of 50 students participated from either School A or School B. Every student played exactly one of the two sports Cricket or Hockey. A student is selected randomly. If the probability of randomly selecting a student from School B who played Hockey is x, is x > 3/5?
(1) A total of 35 students participated from School A.
(2) There were a total of 12 students who played Hockey.
(1) A total of 35 students participated from School A.
(2) There were a total of 12 students who played Hockey.
08 Feb 2024, 14:39
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Bunuel
Even though the question (the red part) could have been worded better, the question essentially asks whether the probability of selecting a student from the yellow box is more than 3/5. This translates to whether the number of students from B who play hockey is more than 3/5 * 50 = 30.
(1) implies that there are a total of 50 - 35 = 15 students from B (orange box). Hence, the value in the yellow box cannot be more than 15.
(2) implies that there are a total of 12 students playing hockey (green box). Hence, the value in the yellow box cannot be more than 15.
Answer: D.
Attachment:
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08 Feb 2024, 15:00
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Bunuel
The last part of the language of the question is a bit distracting. It says the probability of randomly selecting a student from School B who played Hockey is x, it could have meant the students who play hockey among all the students of B but not All 50 students.
It should have said the probability of randomly selecting a student who played hockey from school B
Otherwise, its pretty straight forward. It should be D
