Question

three persons working 8 hours a day can build a wall in 2 days how many hours a day must 4 persons work to complete the same wall in one day​

Answer 1

Answer:

3 person working 8 hour per day

total working hour in a day 3×8=24hour

in two day 24×2=48 hour

time taken for complete the wall is 48 hour

4 person can complete the same work in one day

need to work 48/4=12 hour

Answer 2

11 hours a day time for 4 person for the same work

Step-by-step explanation:

person:time

3 : 8

4 : x

4*8/3

10.66

so the approx answer is 11 hours