You have an eight-faced die. In this die, one of the faces contains 1, two faces contain 2, three faces contain 3 and other faces contain a 4 and a 5 respectively. What is the number of favourable outcomes of obtaining a 3?

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Solution

The correct option is C 3
If an unbiased die is rolled the number of favourable outcomes of a 3 occurring would be 1 as the other faces have different numbers. But in this case, three of the faces have the number 3. So the number of favourable outcomes of a 3 occurring is 3.

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