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  • Provide solution for RD Sharma Maths Class 12 Chapter 30 Probability Exercise Case Study Based  Question, question 4 sub question (i).

Provide solution for RD Sharma Maths Class 12 Chapter 30 Probability Exercise Case Study Based  Question, question 4 sub question (i).

Answers (1)

Answer:

            (b)

Hint:

            You must know rules of finding probability

Given:

            Aarushi solve the problem correctly  \frac{1}{3}=P(A)

            Avni solve the problem correctly  \frac{2}{7}=P(B)

            Mira solve the problem correctly  \frac{3}{8}=P(C)

Solution:

Probability the all solve the problem correctly

\begin{aligned} &=P(A) \cdot P(B) \cdot P(C) \\ &=\frac{1}{3} \times \frac{2}{7} \times \frac{3}{8} \\ &=\frac{1}{28} \end{aligned}

So, (b) is correct answer

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