Question

12 men can do a piece of work in 30 days. how many more men will be required to finish the work in 20 days​

Answer 1

Answer:

6 more men

that's ans is 18

Step-by-step explanation:

12 men = 30 days

x = 20 days

so by formula

m × d × h = m 2 × d 2 × h 2

m × d = m 2 × d 2

12 × 30 = m 2 × 20

12 × 30 ÷ 20 = m 2

18 = m 2

Ans 18 men can do the same work in 20 days.

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