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Provide Solution For  R. D. Sharma Maths Class 12 Chapter 30 Probability  Exercise Multiple Choice Questions Question 18 Maths Textbook Solution.

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Answer:(d)

Hint: You must know the rules of finding probability.

Given: Bag = (5 brown + 4 white socks)

A man pulls out 2 socks

Solution: P (same coloured socks) = P (both brown) + P (both white)

\begin{aligned} &=\frac{5}{9} \times \frac{4}{8}+\frac{4}{9} \times \frac{3}{8} \\\\ &=\frac{20}{72}+\frac{12}{72} \\\\ &=\frac{32}{72} \\\\ &=\frac{4}{9}=\frac{48}{108} \end{aligned}

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