**21. In a ship the provisions are sufficient for 800 men for 50 days. How long will these be sufficient for if there would have been 200 more men?**

**A. 40**

B. 50

C. 30

D. 56

**22. 25 men can consume 250kg of wheat in 20 days. 20 men cang consume how much wheat in 25 days?**

A. 300

B. 200

**C. 250**

D. 350

**23. In a hospital there are enough injections sufficient for 15 days. Originally there were 80 patients but 40 more patients appeared. How many days these injections will be sufficient for now?**

**A. 10**

B. 15

C. 16

D. 12

**24. 18 cattle graze a field in 12 days. 6 cattle can graze 3 of such fields in x days. What is x?**

A. 90

B. 72

C. 36

**D. 108**

**25. At a ship the food was enough for 50 people. But after 10 days half of the men died due to some viral disease and the food is sufficient for as long as before. How long the food was sufficient for then?**

**A. 20**

B. 60

C. 70

D. 50

**26. A garrison has sufficient food for 500 people to survive for 6 days. At the end of 2 days 100 men desert. How long the provisions are sufficient for now?**

**A. 5**

B. 6

C. 4

D. 10

**27. In a camp sufficient food was provided to 500 men to last for 10 days. But after 5 days 200 more men joined. How long the food will last for after joining the 2000 new men?**

A. 3

B. 8

C. 5

**D. 1**

**28. If 12 members family spend Rs. 850 in 10 days. Then a family of 8 people will spend Rs. 340 in how many days.**

A. 8

B. 7

**C. 6**

D. 5

**29. A garrison has provisions for 40 days. At the end of 5 days half of the men left the garrison. How long the food will last for?**

A. 45 days

B. 35 days

**C. 70 days**

D. 80 days

**30. A camp has provision for 9 days for 500 men. At the end of 3 days 100 more men were admitted. How long will the food now last?**

A. 12 days

**B. 5 days**

C. 9 days

D. 6 days