1.

A and B together can complete a piece of work in 8 days while B and C together can do it in 12 days. All the three together can complete the work in 6 days. In how much time will A and C together comp

Answer»

8 DAYS



A’s 1 day’s WORK = A + B + C’s 1 day’s work – B + C’s 1 day’s work = 1/6 – 1/12 

= 1/12 

B’s 1 day’s work = A + B’s 1 day’s work – A’s 1 day’s work = 1/8 – 1/12= 1/24 

C’s 1 day’s work = B+ C’s 1 day’s work – B’s 1 day’s work = 1/12 – 1/24 = 1/24 

A +B’ 1 day’s work = 1/12 + 1/24 = 3/24 

Therefore, A and C together will FINISH the whole work in 24/3 = 8 days



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