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प्रश्न
Choose the correct alternative answer for the following question.
If n(A) = 2, P(A) = `1/5`, then n(S) = ?
पर्याय
10
`5/2`
`2/5`
`1/3`
उत्तर
10
Explanation:
`P(A) = (n(A))/(n(S))`
⇒ `n(S) = (n(A))/(n(P))`
= `2/(1/5)`
= 10
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