A, B and C can finish a job working alone in 20, 30 and 60 days respectively. They all work together for 1 day, then A and B quit. How many days C working alone will take to finish the remaining part of the job? - Study24x7
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3608 followers study24x7 29 Jun 2020 12:47 PM study24x7 study24x7

A, B and C can finish a job working alone in 20, 30 and 60 days respectively. They all work together for 1 day, then A and B quit. How many days C working alone will take to finish the remaining part of the job?

A

60

B

54

C

6

D

27

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