Question
A bag contains 5 red balls, 4 green balls, and 3 yellow
balls. Two balls are drawn randomly. What is the probability that both are of the same color?Solution
Total balls = 5 + 4 + 3 = 12 The probability that both balls are of the same color = P(Same color) = (5C2 + 4C2 + 3C2) / 12C2 = (10 + 6 + 3) / 66 = 19/66 Correct Option: d)
Who among the following lives on top most floor?
Who among the following live immediately above V?
Priya is older than her cousin Manvi, Manvi's brother Bhaskar is older than Priya. When Manvi and Bhaskar are visiting Priya, all three like to play a g...
Who sits third to the right of T?
Which of the following Flat is vacant?
Who celebrated his birthday between Y and G?
How many persons go between T and R?
How many boxes are there between Box D and Box G?
Who among the following lives two floors above the floor on which A lives in the same flat?
How many exams are scheduled before Saturday?
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