Wipro Company Numerical Ability Probability

Out of first 20 natural numbers,one number is picked at random.The probability that it is wither an even number or a prime number is
a)1/2 b)16/19 c)4/5 d)17/20

Read Solution (Total 1)

n(E)={1,2,3,4,5,6,7,8,10,11,12,13,14,16,17,18,20}=17c1=17
n(S)=20c1=20
p=17/20
10 years agoHelpfull: Yes(2) No(1)

Wipro Other Question

If a card is drawn from a well shuffled pack of cards,the kprobability of drawing a spade or a king is
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