MCQ
Four persons work independently on a task. If the respective probabilities that they will solve it are 1/5, 1/3, 1/7, and 1/6, then the probability that none can solve it is ______
- ANone of these
- B`1/3`
- ✓`8/21`
- D`3/7`
✓
Answer
Correct option: C.
`8/21`
C
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