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42. From a set of 17 cards numbered 1, 2, 3, ...,15, 16, 20, one is drawn at random. Theprobability of appearing such a number that isdivisible by 3 or 7 is:a) 0.19b) 0.48c) 0.41d) 0.71 |
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Answer» final and :- 0.40 |
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