A bag contains 30tickets numbered from 1 to 30. One ticket is subjected at random. Find the probability that its number is either odd or a square of an integer
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Answer: 0.5
Step-by-step explanation:
Total numbers = 30
No. of odd numbers = 1,2,3,5,7,11,13,17,19,23,29 = 11
Perfect squares = 1,4,9,16,25 = 5
Total required numbers = 11+5-1 = 15 (as 1 appears in both)
Probability = 15/30 = 0.5
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