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Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
Time and Work - Data Intensity 1 :: Discussion
| 38. | A completes 80% of a work in 20 days. Then B also joins and A and B together finish the remaining work in 3 days. How long does it need for B if he alone completes the work? | |
| A. | 37 ½ days | |
| B. | 22 days | |
| C. | 31 days | |
| D. | 22 days | |
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