Question

A card is drawn from the number cards from 5 to 30 what is the probability of getting square or even number

Answer 1

A card is drawn from the number cards from 5 to 30

So, Set will be : { 5, 6, 7, 8, 9, .......29, 30}

n(S) = 25

A = Getting square number

A = { 9, 16, 25 }

n(A) = 3

P ( A) = n (A) / n (S)

= 3/25

B = Getting even number

B = { 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 }

n(B) = 13

P ( B) = n (B) / n (S)

= 13 / 25

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