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AP EAMCET20227 Jul 2022Morning ShiftMathematicsProbabilityActual

If a set of 30 games cards, 17 are white and rest are green. Out of 30,4 white and 5 green are marked IMPORTANT. If a card is chosen randomly from this set, then possibility of choosing a green card or an 'IMPORTANT' card is

Options

  1. A13 / 30
  2. B22 / 30
  3. C17 / 30
  4. D9 / 13

Correct answer

C. 17 / 30

Step-by-step solution

Total cards =30 Green cards =30-17=13 Important cards =4+5=9 5 cards are green as well as IMPORTANT Required probability = 13 30 + 9 30 - 5 30 = 17 30

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