English

Assertion (A): The probability of getting a doublet in a single throw of a pair of dice is [\frac{1}{6}.] Reason (R): For any event [A,\ 0\leq P(A)\leq 1.]

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Question

Assertion (A): The probability of getting a doublet in a single throw of a pair of dice is \[\frac{1}{6}.\]

Reason (R): For any event \[A,\ 0\leq P(A)\leq 1.\]

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

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

Explanation:

Step 1 – Assertion: A is true. There are 6 doublets among 36 equally likely outcomes, so the probability is \[\frac{6}{36}=\frac{1}{6}.\]

Step 2 – Reason: R is true. The probability of any event lies between 0 and 1, inclusive.

Step 3 – Link: R states a general property of probability, but does not explain the count of doublet outcomes or the value in A.

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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 10. | Page 1069
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