16. A and B together can do a piece of work in 20 days, B and C together can do it in 15 days,
C and A together can do it in 12 days.
(1) How long will they take to finish the work, working all together? (i) how long will they take to finish the work working together? (i) how long it will take to finish the work working all together?
(ii) How long would each take to do the same work?
if any body will answer than I'll definitely mark as brainliest
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Correct Answer: Option 4 (Solution Below)
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option 4 is correct make me as brainlist
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