if 8 men or 12 women can do a piece a work in 10 days then number of days required by 4 men and 4 women to completeva work
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8men=12 women
1 women=8/12=2/3 men
4men+4women=4+4×2/3=4+8/3=20/3 men
8 men krta h 10 days me
1 men krega =8×10
20/3 krega =80/(20/3)=80×3/20=12 days
1 women=8/12=2/3 men
4men+4women=4+4×2/3=4+8/3=20/3 men
8 men krta h 10 days me
1 men krega =8×10
20/3 krega =80/(20/3)=80×3/20=12 days
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