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  • Explain Solution R.D. Sharma Class 12 Chapter 30 Probability Exercise Multiple Choice Questions Question 50 Maths Textbook Solution.

Explain Solution R.D. Sharma Class 12 Chapter 30 Probability  Exercise Multiple Choice Questions  Question 50 Maths Textbook Solution.

Answers (1)

Answer:(a)

Hint: You must know the rules of finding probability.

Given: Two cards are drawn from 52 cards with replacement

Solution: Let

A be the event queen drawn is first draw

And B be the event queen drawn is second draw

Now,

P(both the two cards drawn are queen) =\mathrm{P}(A) \times \mathrm{P}\left(\frac{B}{A}\right)

\begin{aligned} &=\frac{4}{52} \times \frac{4}{52} \\ &=\frac{1}{13} \times \frac{1}{13} \end{aligned}

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