| Q.4 | A works thrice as fast as B. If B can complete a work in 20 days, then the number of days in which A and B working together can finish the work is: | |
| Ans | 1. 2 | |
| 2. 3 | ||
| 3. 5 | ||
| 4. 4 |
Correct Ans Provided: 3
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