Chiraji can do a work in 15days ,natthi 25days and sumera in 30 days.how long will they take to do the work if they work togethher?
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Work done by Chiraji in one day = 1/15
Work done by Natthi in one day = 1/25
Work done by Sameera in one day = 1/30
Work done by these three in one day
= 1/15 + 1/25 + 1/30
= 10 + 6 + 5 / 150
= 21 / 150
So time taken by these three to comokete work
= 150 / 21
Work done by Natthi in one day = 1/25
Work done by Sameera in one day = 1/30
Work done by these three in one day
= 1/15 + 1/25 + 1/30
= 10 + 6 + 5 / 150
= 21 / 150
So time taken by these three to comokete work
= 150 / 21
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