SSC CPO Tier 1 Exam 28 June 2024 Shift 2

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Question : 146 of 200
 
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Manish, Nakul and Pintoo alone can complete a certain work in 21days, 28 days and 15 days, respectively. Manish and Pintoo started the work together while Nakul joined them after 5 days and worked with them till the completion of the work. For how many days did Nakul work?
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