Question

If10 person can do a job in 20 days then in how many days 20 person with twice the efficiency can do the same job?​

Answer 1

Answer:

40 days. hnlii bbhhjkjuhh

Answer 2

Step-by-step explanation:

x represent no. of person

y represents no. of days

A/q

x1×y1=x2×y2

10×20=40×y2

$20 \: person \: with \: twice \\ 20 \times 2 \\ 40$

y2=10×20

40

y2 = 5 days. ans.