if 6 men's or 8 boys complete a work in 18 days then 3 men's and 5 boys complete in ?
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6 m × 18 = 8b ×18
m / b =8/6 =4/3
total work = 6 × 18 ×4
3×3 + 5×3 =9+15=24
so days = 6×18×4/24 =18 days
m / b =8/6 =4/3
total work = 6 × 18 ×4
3×3 + 5×3 =9+15=24
so days = 6×18×4/24 =18 days
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