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  • Explain Solution R.D. Sharma Class 12 Chapter 30 Probability Exercise Multiple Choice Questions Question 61 Maths Textbook Solution.

Explain Solution R.D. Sharma Class 12 Chapter 30 Probability  Exercise Multiple Choice Questions  Question 61 Maths Textbook Solution.

Answers (1)

Answer:(c)

Hint: You must know the rules of finding probability.

Given: A card is picked at random from a 52 cards,

Given that picked card is queen

Solution: number of spade cards = 13

Number of queen in spade set = 1

n(spade queen) ={ }^{13} C_{1}

n(Total number of cases) ={ }^{52} C_{1}

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

 

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