RRB NTPC CBT I 30 Dec 2020 Shift 1 Paper
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Question : 31 of 100
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Avinash, Bhuvnesh and Chaman can complete a piece of work in 20, 30 and 60 days respectively. In how many days can Avinash complete the work if he is assisted by Bhuvnesh and Chaman on every third day?
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