If 10 persons can do a job in 20 days, then 20 person with twice the efficiency can do the same job in:
A. 5 days
B. 40 days
C. 10 days
D. 20 days
Answer: Option A
Solution (By Examveda Team)
By work equivalence method, man × days × work = MAN × DAYS × WORK 10 × 20 × 1 = 20 × 2 × x → x = 5 daysThis Question Belongs to Arithmetic Ability >> Time And Work
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