Question

If 24 labour can dig a trench in 18 days by per 7 hours working per day, how many labour required to digging just double pit in 16 days by 9 hours working per day ?​

Answer 1

Step-by-step explanation:

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Answer 2

Given :- If 24 labour can dig a trench in 18 days by per 7 hours working per day, how many labour required to digging just double pit in 16 days by 9 hours working per day ?

Solution :-

given that,

• M1 = 24 labour
• D1 = 18 days .
• W1 = 1 pit
• H1 = 7 hours .
• M2 = Let x labour .
• D2 = 16 days.
• H2 = 9 hours .
• W2 = 2 pit (double.)

we know that,

• (M1 * D1 * H1)/W1 = (M2 * D2 * H2)/W2
• work is inversely proportional .

so, putting values we get,

→ 24 * 18 * 7 * 2 = x * 16 * 9 * 1

→ 3 * 2 * 7 = x

→ x = 42 labours (Ans.)

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