Jyoti can do $$\frac{3}{4}$$ of a job in 12 days. Mala is twice as efficient as Jyoti. In how many days will Mala finish the job ?
A. 6 days
B. 8 days
C. 12 days
D. 16 days
Answer: Option B
Solution (By Examveda Team)
Jyoti does $$\frac{3}{4}$$ unit of work in 12 daysJyoti does 1 unit of work in
$$\eqalign{ & = 12 \times \frac{4}{3} \cr & = 16{\text{ days}} \cr} $$
According to the question,
| Mala | : | Jyoti | |
| Efficiency → | 2 | : | 1 |
| Time → | 1 | : | 2 |
| ↓×8 | ←↓×8 | ||
| 8 days | 16 days |
This Question Belongs to Arithmetic Ability >> Time And Work
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