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20 women work on a certain project for 4 days and completes one-tenth of it. 15 men work for the next 'x' days........

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20 women work on a certain project for 4 days and completes one-tenth of it.
15 men work for the next 'x' days and completes one-fifth of it, if after (4+x) days, 20 women and 15 men work together and completes the remaining work in 12 days, then how many days will 15 men take to complete the whole work?

posted Sep 29, 2022 by Prithvi

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