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A can complete 2/3 of a work in 4 days and B can complete 3/5 of the work in 6 days. In how many days can both A and B together complete the work ?
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- 3
- 2
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3 3 4 -
2 7 8
Correct Option: C
Using basics of Rule 2,
Time taken by A to complete the work
| = | = 6 days | 2 |
Time taken by B to complete the work
| = | = 10 days | 3 |
∴ (A + B)’s 1 day’s work
| = | + | = | = | |||||
| 6 | 10 | 30 | 15 |
∴ A and B together will complete the work in
| = 3 | days. | |||
| 4 | 4 |
