Eighteen persons working 8 hours a day can complete 3 units of work in 10 days. How many days are required by 25 persons to complete 5 units of work working 6 hours a day?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 16
Work = men × days × hours × 1/units of work
⇒ (18 × 8 × 10)/3 = (x × 25 × 6)/5
⇒ x = 16 persons