MCQOPTIONS
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| 1. |
A can do a piece of work in 20 days. He worked for 4 days and B finished the remaining work in 28 days. B alone can do the whole work in how many days? |
| A. | 28 |
| B. | 32 |
| C. | 35 |
| D. | 42 |
| Answer» D. 42 | |