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  • Provide Solution For R.D. Sharma Maths Class 12 Chapter 30 Probaility Exercise 30.5 Question 11 Maths Textbook Solution.

Provide Solution For  R.D. Sharma Maths Class 12 Chapter 30 Probaility Exercise 30.5 Question 11 Maths Textbook Solution.

Answers (1)

Answer:\frac{26}{51}

Hint: You must know the rules of finding probability functions.

Given: Two cards are drawn from 52 cards one after another without replacement.

Solution:

  P(one red and other  black)= P(first red and second black) + P(first black and second red)

=\frac{26}{52} \times \frac{26}{51}+\frac{26}{52} \times \frac{26}{51} \ldots . with\: \: out \: \: replacement

\begin{aligned} &=\frac{13}{51}+\frac{13}{51} \\ &=\frac{26}{51} \end{aligned}

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