a can do a job in 12 days and b in 6days how much days will it take to finish of they work together
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Answer:
4 days
Step-by-step explanation:
Work done be a -
12 days = 1 work (Work completed is taken as 1)
1 day = (1/12)th work
Work done by b -
6 days = 1 work
1 day = (1/6)th work
When both will work together then work done in 1 day = 1/12 + 1/6 = (1+2)/12 = 3/12 = (1/4)th work
As in 1 day (1/4)th work is done, full work will be done in 4 days
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