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| Q.30 | A is 20% more efficient than B and can complete a work in 10 days. They worked together for 5 days after which A left the work and B alone completed the work. In all how many days did it take for the work to get completed? | |
| Ans | 1. 7 | |
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| 3. 6 | ||
4.  |
Correct Ans Provided: 3
