If a farmer needs to water his crops every 3 days , how many times does he needed to water them in a month?

If a farmer needs to water his crops every 3 days , how many times does he needed to water them in a month?

اگر ایک کسان کو ہر 3 دن بعد اپنی فصلوں کو پانی دینے کی ضرورت ہے تو اسے ایک مہینے میں کتنی بار پانی دینے کی ضرورت ہے؟
Explanation

Former water his crops after =3 days 

In a month how many times he gives water =?

 30/3=10