15 men can build a 500m long wall in 30 days. In how many days can 30 men build a 1.2 km long wall?

Related Mcqs:

1. If 3 men or 4 women can construct a wall in 43 days, then the number of days that 7 men and 5 women take to construct it is :

   A. 12 days
   B. 14 days
   C. 16 days
   D. 18 days

2. P and Q can do a work in 30 days. Q and R can do the same work in 24 days and R and P in 20 days. They started the work together, but Q and R left after 10 days. How many days more will P take to finish the work?

   A. 10
   B. 8
   C. 18
   D. 19

3. 10 men can complete a work in 7 days. But 10 women need 14 days to complete the same work. How many days will 5 men and 10 women need to complete the work?

   A. 7
   B. 5
   C. 6
   D. 4

4. 3 men and 7 women can complete a work in 10 days . But 4 men and 6 women need 8 days to complete the same work . In how many days will 10 women complete the same work?

   A. 50
   B. 30
   C. 40
   D. 13

5. 6 men and 8 women can complete a work in 10 days. 26 men and 48 women can finish the same work in 2 days. 15 men and 20 women can do the same work in_______days.

   A. 4 days
   B. 6 days
   C. 2 days
   D. 8 days

6. 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

7. A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days. In how many days will A alone finish the job?

   A. 48
   B. 34(2/7)
   C. 44
   D. 45

8. A and B can do a piece of work in 21 and 24 days respectively.They start the work together and after some days, A leaves and B completes the rest of the task in 9 days. After how many days did A leave?

   A. 5
   B. 6
   C. 7
   D. 8

9. P and Q need 8 days to complete a work. Q and R need 12 days to complete the same work. But P, Q and R together can finish it in 6 days. How many days will be needed if P and R together do it?

   A. 7
   B. 8
   C. 9
   D. 10

10. P can do a work in 24 days. Q can do the same work in 9 days and R can do the same in 12 days. Q and R start the work and leave after 3 days. P finishes the remaining work in_________days.

    A. 10
    B. 9
    C. 11
    D. 12