Question
If Chinky worked for whole time and Arjun & Bheem work alternatively with Chinky, then what will be the minimum number of required days to complete the work.
The ratio of number of days taken by Arjun and Bheem to complete a work individually is 7:8 and the ratio of number of days taken by Bheem and Chinky to complete a work individually is 6:7 and the ratio of number of days taken by Chinky, Danny, Elli and Finn to complete a work individually is 28 : 30 : 35 : 40. Arjun takes 21 days to complete a work individually.
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