Question

5 persons working 8 hours a day can do a piece of work in 18 days how many person will complete it working 9 hours a day in 10 days​

Answer 1

M1*D1*T1=M2*D2*T2

5*8*18=x*9*10

x=8persons

Answer 2

Solutions :-

Given :
M1 = 5 persons
T1 = 8 hours
D1 = 18 days

M2 =?
T2 = 9
D2 = 10


Find the number of persons :-

We know that,
M1 × T1 × D1 = M2 × T2 × D2
=> 5 × 8 × 18 = M2 × 9 × 10
=> 720 = 90M2
=> 720/90 = M2 = 8


Hence,
8 person will complete it working 9 hours a day in 10 days.