Answer :
Total number of possible outcomes, n(S) = 30
(i) Number of favorable outcomes of numbers divisible by 3, n(E) = 10
Probability of getting a number not divisible by 3 = 1 – P(E)
(ii) Number of favorable outcomes, n(E) = 6
(iii) Number of favorable outcomes of getting a perfect square, n(E) = 5
Probability of not getting a perfect square = 1 – P(E)
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