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In a factory there are three types of machine `M_(1), M_(2) and M_(3)` which produces `25%, 35% and 40%` of the total products respectively. `M_(1), M_(2) and M_(3)` produces `2%, 4% and 5%` defective products, respec- tively. What is the percentage of non-defective products?

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The correct Answer is:
`96.1%`
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