XERCISE 11.3
A can complete a work in 16 days, B can complete the same work in 18 days and C in 24 days. How
ong will all three of them will take to complete the work by working together?
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Answer:
A - 16 days
A in 1 day - 1/16. work
B - 18 days
B in 1 day. -. 1/18 work
C in 24 days
C in 1 day - 1/24 work
A +B +C (together in 1 day) = 1/16 + 1/18 + 1/24
= 9+8+6 / 144
= 23/144
( flip the answer it will turn into days )
so, in 144/23 days work will be completed by them together.
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