Question

12 persons can do a piece of work in 15days in how many days same work will be completed by 20 persons ​

Answer 1

Answer:

3m = 4w

mw=43→efficiency

Total work =12×4×15=720

(5m+5w)×D=720

D(5×4+5×3)=720

D=72035=2047 days

Answer 2

Step-by-step explanation:

12 × x = 15×20

x = 15×20/12

x= 5×5

x = 25

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