# How Many Men Needed to Complete a Job? If

How many men need to be employed to complete a job in 5 days, if 15 men can complete 1/3 of the job in 7 days ?

- 20
- 21
- 45
- 63

**Answer: (4) 63**

**Explanation:-**

15 men can complete 1/3 of the job = 7 days

15 men can complete the job = 3 x 7 = 21 days

Let be the X men complete the job in 5 days

Then, X = 15 x 21/5 = 63 men

Hence, the answer is (4) 63