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a box contain 19 balls bearing numbers from 1 to 19 . A ball is drawn at random from the box . find the probability that number on ball is (1). composite number. (2). divisible by 3 or 4. (3). divisible neither by 5 nor by 10. (4). an even number. |
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Answer» Answer: 1. 1/19 2. 1/19 3. 16/19 4. 9/19 |
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