If n(A) = 2, P(A) = 1/5 , then n(S) = ? (A) 10 (B) 5/2 (C) 2/5 (D) 1/3

Answer: (A) 10 P(A) = n(A)/n(S) ⇒ 1/5 = 2/n(S) ⇒ n(S) = 10 .

Choose the correct alternative answer: If n(A) = 2, P(A) = 1/5, then n(S) = ?

If n(A) = 2, P(A) = \(\frac{1}{5}\), then n(S) = ?

(A) 10 (B) \(\frac{5}{2}\) (C) \(\frac{2}{5}\) (D) \(\frac{1}{3}\)

Doubtly Asked 24 Oct 2026 Save WhatsApp Report

Answer: (A) 10

\( P(A) = \frac{n(A)}{n(S)} \Rightarrow \frac{1}{5} = \frac{2}{n(S)} \Rightarrow n(S) = 10 \).

Doubtly AI · 24 Oct 2026 AI-verified · Oct 2026 Report

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