A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined. The number of men employed was?

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Question: A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined. The number of men employed was?

1.18

2.20

3.22

4.24

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  1. A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined. The number of men employed was?
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