Answer:
1) 144 men || 2) 6 men
Explanation:
9 days ---> 16 men
1 days ---> 9 * 16
1 days ---> 144 men
For 9 days the food is enough for 16 men. For 1 day food is enough for 144 men.
if 1 days ---> 144 men
24 days ---> 144 / 24
24 days ---> 6 men
For 24 days food is enough for 6 men.