RRB NTPC CBT I 5 Jan 2021 Shift 1 Paper

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Question : 26 of 100
 
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Anil and Balbeer can finish a task in 3 days. They started working together, but after 2 days Anil got injured. Balbeer took 2 more days to finish the task. In how many days can Balbeer alone finish the same task?
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