A deck of cards contains RED cards numbered 1,2 and BLUE cards numbered 1,2,3. Let R be the event of drawing a red card, B the event of drawing a blue card, E the event of drawing an even numbered card, and O the event of drawing an odd card.

 A deck of cards contains RED cards numbered 1,2 and BLUE cards numbered 1,2,3. Let R be the event of drawing a red card, B the event of drawing a blue card, E the event of drawing an even numbered card, and O the event of drawing an odd card.

Which of the following events include the outcome of drawing a blue 1?
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•     R AND O 
•     B OR E 
•     R OR E
•     B AND E
•     B AND O
•     R AND E

Answer Explanation
Correct answer:
B OR E
B AND O
Because the card is blue and the number is odd, the card is an outcome of the event B and of the event O. Therefore, it is also an outcome of the events B AND O and of the event B OR E.