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If and , then the value of is:
If $P(A) = \frac{4}{5}$ and $P(A \cap B) = \frac{7}{10}$, then the value of $P(B/A)$ is:
- (a)$\frac{1}{8}$
- (b)$\frac{4}{7}$
- (c)$\frac{5}{7}$
- (d)$\frac{7}{8}$
Answer
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From ISC 2021 Specimen Mathematics Paper 1, question 1(x).