a kisi kam ko 4 hour me kr sakta hai B aur C usse 3 hour me ttha Aaur C usse 2 hour me kr sakte hai to B akela us kam ko kitne samay me krega
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The work of 1 day of A is. 1by4 hour
the work of 1 day of (b+c)is. 1 by3
the work of 1 day of c is. 1 by 2
(a+b+c) ke ek din ka kam. 1 by 4+1by3
=7by 12
so, b akele karga =7by12-1by2=1by11=11 answer
the work of 1 day of (b+c)is. 1 by3
the work of 1 day of c is. 1 by 2
(a+b+c) ke ek din ka kam. 1 by 4+1by3
=7by 12
so, b akele karga =7by12-1by2=1by11=11 answer
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