Question : There are 300 men in a group. They have food for 30 days. After 10 days, 100 more men join the group. The remaining food will last for how many days?

Option 1: 20

Option 2: 10

Option 3: 15

Option 4: 12

Question : Some staff promised to do a job in 18 days, but 6 of them went on leave. So the remaining men took 20 days to complete the job. How many men were there originally?

Option 1: 55

Option 2: 62

Option 3: 56

Option 4: 60