A can do a piece of work in 12 days and B in 24 days. If they work together, in how many days will they finish the work ?
A. 20 days
B. 8 days
C. 12 days
D. 15 days
Answer: Option B
Solution(By Examveda Team)
| Days | Eff. | Total work |
| A - 12 | 2 | |
| 24 | ||
| B - 12 | 1 | |
| 3 | ||
A and B together can finish the work
$$\eqalign{ & = \frac{{24}}{3} \cr & = 8{\text{ days}} \cr} $$
This Question Belongs to Arithmetic Ability >> Time And Work
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