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प्रश्न
A can do a work in 6 days and B in 9 days. How many days wlll both take together to complete the work?
पर्याय
7.5 days
5.4 days
3.6 days
3 days
MCQ
उत्तर
3.6 days
Explanation:
| A | B | ||
| D → | 6 | 9 | → `18/5` = 3.6 days |
| E → | 3 : 2 | ||
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Time and Work (Entrance Exam)
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