| Q.13 | A and B can do a piece of work in 80 days; B and C can do it in 120 days; A and C can do it in 112 days. In how many days can B alone do it? | |
| Ans | A. 168 | |
| B. 182 | ||
| C. 172 | ||
| D. 158 |
Correct Ans Provided: A
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