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Mathematics

A dice is rolled once. The probability of getting an odd number is :

  1. 16\dfrac{1}{6}

  2. 0.5

  3. 13\dfrac{1}{3}

  4. none of these

Probability

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Answer

Total number of possible outcomes = 6 (i.e., 1, 2, 3, 4, 5, 6)

Number of favourable outcomes (Getting an odd number) = 3 (1, 3, 5)

P(Getting an odd number) = Number of favourable outcomesTotal number of possible outcomes\dfrac{\text{Number of favourable outcomes}}{\text{Total number of possible outcomes}}

= 36\dfrac{3}{6}

= 12\dfrac{1}{2}

= 0.5

Hence, option 2 is the correct option.

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