Question
Arjun & Chinky together start work and do it for 10 days and rest work is completed by Danny & ‘X’ together in 4 days. Then, in how many days ‘X’ alone can compete 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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