Mathematics · Data Sufficiency
A bag contains shirts of three different colours: Black, White, and Yellow. The probability of drawing a Black shirt is 715 and the ratio of White to Yellow shirts is 5 : 3. What is the total number of shirts in the bag? Statement I: The average number of shirts of all three colours is 5. Statement II: Two shirts are drawn randomly from the bag, and the probability that both shirts are Yellow is 135. Statement III: One shirt is drawn at random from the bag, and the probability that the shirt is either Black or White is 45. Which of the statements is/are sufficient to answer the question?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Any one of them alone is sufficient
- 2Any two of them together are sufficient
- 3Either statement I alone or statement II alone is sufficient✓
- 4Either statement I alone or statement III alone is sufficient
Correct answer
Either statement I alone or statement II alone is sufficient
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