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04 Aug 2021, 05:30
Kudos
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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:
80% (01:24) correct
20%
(01:24)
wrong
based on 249
sessions
History
Date
Time
Result
Not Attempted Yet
A box has some red and some green balls in it. There are no balls of any other color. Some of these balls are heavy and the rest are all light. What is the probability that a heavy red ball is picked out of the box?
(1) The probability of picking a heavy green ball is 20%
(2) The probability of picking a light ball is 40%.
(A) Statement 1 alone is sufficient, but statement 2 alone is not.
(B) Statement 2 alone is sufficient, but statement 1 alone is not.
(C) Both statements together are sufficient, but neither alone is sufficient.
(D) Each statement alone is sufficient.
(E) Neither statement is sufficient, even when combined.
(1) The probability of picking a heavy green ball is 20%
(2) The probability of picking a light ball is 40%.
(A) Statement 1 alone is sufficient, but statement 2 alone is not.
(B) Statement 2 alone is sufficient, but statement 1 alone is not.
(C) Both statements together are sufficient, but neither alone is sufficient.
(D) Each statement alone is sufficient.
(E) Neither statement is sufficient, even when combined.
04 Aug 2021, 17:53
Kudos
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Bunuel
We have two independent categories so we should use a table to solve this problem.
We need both statements according to the table so we choose C.
Attachments
Table.png [ 29.83 KiB | Viewed 3938 times ]
23 Jan 2026, 10:00
Kudos
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