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(i) A problem is Calculus is given to tw...

(i) A problem is Calculus is given to two students A and B whose chances of solving it are `(1)/(3)` and `(1)/(4)`. Find the probability of the problem being solved if both of them try independently.
(ii) A problem is given to three students A, B and C. The chances of their solving the same are `1//3`, `1//4`, `1//5` respectively. Then find the probability that the problem will be solved.

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The correct Answer is:
`(1)/(2)`
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