21). 20 men complete one-third of a work in 20 days. How many more men should be employed to finish the rest of work in 25 more days?
| A). 15 |
| B). 12 |
| C). 18 |
| D). 25 |
|
22). 15 men complete a work in 16 days. If 24 men are employed, then the time required to complete that work will be
| A). 7 days |
| B). 8 days |
| C). 10 days |
| D). 12 days |
|
23). 20 workers working for 5 h per day complete a work in 10 days. If 25 workers are employed to work 10 h per day, what is the time required to complete the work?
| A). 4 days |
| B). 5 days |
| C). 6 days |
| D). 8 days |
|
24). A stock of food is enough for 240 men for 48 days. How long will the same stock last for 160 men?
| A). 54 days |
| B). 60 days |
| C). 64 days |
| D). 72 days |
|
25). 45 people take 18 days to dig a pond. If the pond would have to be dug in 15 days, then the number of people to be employed will be
| A). 50 |
| B). 54 |
| C). 60 |
| D). 72 |
|
26). If 3 men or 4 women can build a wall in 43 days, in how many days can 7 men and 5 women build this wall ?
| A). 16 days |
| B). 25 days |
| C). 21 days |
| D). 12 days |
|
27). If 12 men or 18 women can do a piece of work in 14 days. How long will 8 men and 16 women take to finish the work?
| A). 9 days |
| B). 13 days |
| C). 12 days |
| D). 10 days |
|
28). In a school, Mid-Day Meal food is sufficient for 250 students for 33 days, if each student is given 125 g meals. 80 more students joined the school. If same amount of meal is given to each student, then the food will last for
| A). 20 days |
| B). 40 days |
| C). 30 days |
| D). 25 days |
|
29). 90 men are engaged to do a piece of work in 40 days but it is found that in 25 days 2/3 work is completed. How many men should be allowed to go off, so that the work may be finished in time?
| A). 10 |
| B). 15 |
| C). 20 |
| D). 25 |
|
30). 36 workmen are employed to finish a certain work in 48 days. But it is found that in 24 days only 2/5 work is done How many more men must be to finish the work in time?
| A). 16 |
| B). 18 |
| C). 20 |
| D). None of the above |
|
