INS 14 15 Aman, Abhishek and Albert can do a piece of work in 20 days, 30 days, and 60 days respectively. How much time will Albert take to finish the work, if he is assisted by Aman and Abhishek every 4th day.
a) 40 days
b)10 days
c)25 days
d) 45 days
answer within these options
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- a)40 daysssssssssssssssssssssssssss
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