This is the 180th most frequent Urdu word.
دس
The Urdu word "دس" means "ten" in English.
Here, "دس" is a numerical adjective indicating the quantity of books.
میں نے دس کتابیں خریدیں۔
I bought ten books.
In this sentence, "دس" represents a quantity of time.
یہ کام دس دن میں مکمل ہوگا۔
This task will be completed in ten days.
Here, "دس" specifies how many times the action of trying occurred.