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Samrat alone can complete a work in 10 d...

Samrat alone can complete a work in 10 days and Virat alone can complete the same work in 40 days. If they are working on alternate days with Samrat starting the work, then in how many days will the total work be completed ?
सम्राट अकेले 10 दिनों में एक काम पूरा कर सकता है और विराट अकेले उसी काम को 40 दिनों में पूरा कर सकता है। सम्राट इस कार्य को आरम्भ करता है और फिर दोनों इसे बारी बारी से करते है, इस प्रकार यह कार्य कितने दिनों में समाप्त हो जाएगा ?

A

14 days

B

16 days

C

8 days

D

12 days

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