Question

Choose the correct alternative answer for the following question.

If n(A) = 2, P(A) = `1/5`, then n(S) = ?

Options

• 10

• `5/2`

• `2/5`

• `1/3`

Answer 1

10

Explanation:

`P(A)  = (n(A))/(n(S))`

⇒ `n(S) = (n(A))/(n(P))`

= `2/(1/5)`

= 10