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Shashi can do a piece of work in 20 days. Tanya is 25% more efficient than Shashi. The number of days taken by Tanya to do the same piece of work is :
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- 15
- 16
- 18
- 25
Correct Option: B
Time taken by Shashi in doing 1 work = 20 days
Tanya is 25% more efficient than Shashi.
∴ Time taken by Tanya
| = | × 20 = 16 days | 125 |
