Question

If 6 persons can do a job in 4 days, then how many persons are needed to do the same job in 3 days?​

Answer 1

Answer:

The no of persons (p) is inversely proportional to the no. of days (d). Hence p∝

d

1

⇒p

1

d

1

=p

2

d

2

Here, p

1

=4,d

1

=8,p

2

=8,d

2

is unknown.

⇒4×8=8d

2

⇒d

2

=4.

Answer 2

Answer:

people work in six days but if they want to do it in three days than they will add persons 8 persons complete the work in three days