If 10 people can do a job in 20 days,then 20 people with twice the efficiency can do the same job in
A) 5 days B) 10 days C) 20 days D) 40 days
Answers
Answered by
2
Step-by-step explanation:
By work equivalence method,
man × days × work = MAN × DAYS × WORK
10 × 20 × 1 = 20 × 2 × x
→ x = 5 days
Similar questions