A can do a piece of work in 70 days and B is 40% more efficient then A. Then the number of days taken by B to do the same work is = ?
A. 40 dayd
B. 60 days
C. 50 days
D. 45 days
Answer: Option C
Solution(By Examveda Team)
| A | : | B | |
| Efficiency → | 100% | : | 140% |
| 5 | : | 7 | |
| ⤩ | |||
| Time | 7 | : | 5 |
| ×10↓ | ↓×10 | ||
| Actual Time | 70 days | 50 days |
This Question Belongs to Arithmetic Ability >> Time And Work
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