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Assertion (A): A card is drawn at random from a well-shuffled pack of 52 cards. The probability that the card drawn is not an ace is [\frac{9}{13}]. Reason (R): When randomly drawing out a card

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Question

Assertion (A): A card is drawn at random from a well-shuffled pack of 52 cards. The probability that the card drawn is not an ace is \[\frac{9}{13}\].

Reason (R): When randomly drawing out a card from a well-shuffled pack of cards, the event of drawing out an ace card and the event of drawing out a non-ace card are complementary events.

Options

  • Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).

  • Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).

  • Assertion (A) is true and Reason (R) is false.

  • Assertion (A) is false and Reason (R) is true.

MCQ
Assertion and Reasoning
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Solution

Assertion (A) is false and Reason (R) is true.

Explanation:

Step 1 – Assertion: A is false. There are 48 non-ace cards in the pack, so the probability is \[\frac{48}{52}=\frac{12}{13},\] not \[\frac{9}{13}.\]

Step 2 – Reason: R is true. Drawing an ace and drawing a non-ace are complementary events.

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Chapter 20: Additional Questions - Probability [Page 1069]

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R.S. Aggarwal Mathematics [English] Class 10
Chapter 20 Additional Questions
Probability | Q 8. | Page 1069
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