Question

20. If 5 men can do a work in 10 days and
10 men can do the same work in 5 days.
Which proportion is this?
(a) direct
(b) inverse
(c) both (a) & (b)
(d) none of these​

Answer 1

Answer:

I think inverse variation if wrong answer so I feel sorry

Answer 2

Answer:

Answer is direct variation as increase in men the number of days decrease