Latest IBM Aptitude Question SOLUTION: A number is selected at random from first thirty natural numbers. What is the chance that it is a multiple of either 3 or 13?

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Previous Question: An anti aircraft gun can fire four shots at a time. If the probabilities of the first, second, third and the last shot hitting the enemy aircraft are 0.7, 0.6, 0.5 and 0.4, what is the probability that four shots aimed at an enemy aircraft will bring the aircraft down? Next Question: A man can hit a target once in 4 shots. If he fires 4 shots in succession, what is the probability that he will hit his target?

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A number is selected at random from first thirty natural numbers. What is the chance that it is a multiple of either 3 or 13?: Asked In IBM (12 years ago); Unsolved Read Solution (2); Is this Puzzle helpful? (11) (5) Submit Your Solution Probability

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Previous Question: An anti aircraft gun can fire four shots at a time. If the probabilities of the first, second, third and the last shot hitting the enemy aircraft are 0.7, 0.6, 0.5 and 0.4, what is the probability that four shots aimed at an enemy aircraft will bring the aircraft down? Next Question: A man can hit a target once in 4 shots. If he fires 4 shots in succession, what is the probability that he will hit his target?

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