X can do a certain work in the same time in which Y and R together can do it. If X and Y together could do it in the same time as that of Q then Y alone could do it in:
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Q:
X can do a certain work in the same time in which Y and R together can do it. If X and Y together could do it in the same time as that of Q then Y alone could do it in:
- 115 daysfalse
- 220 daysfalse
- 325 daystrue
- 430 daysfalse
- 535 daysfalse
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