plz.. answer 9th sum
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2/3 is the correct answer
mouni610:
how can we do this
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1 person is x 6day
2 is y 8 day
3 is z 12 day
Work done by all three in one day is x =1/6 y=1/8 z=1/12 respectively
If they work together work done in one day = 1/6 +1/8 +1/12
=9/24
Work done in 1 day is 9/24
Total time 24/9 =2²/³
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