RRB NTPC · Question 76
30 Workers can build a bridge in 40 days. If 75 Workers are to be assigned to be complete the same work, then the number of days required will be:
Show answer & explanation
Answer: (A) 16
Explanation
The work = 30 × 40 = 1200 worker-days. 75 workers need 1200/75 = 16 days.