Question

31. If 10 tractors can plough 1/6th of a field in 12 days,
how many days 20 tractors will take to do the re-
maining work?
(a) 30 days
(b) 20 days
(c) 15 days
(d) 18 days​

Answer 1

Answer:

the answer is (a) which is 30 days.