**A. 50**

B. 75

C. 60

D. 45

Part of work completed by Farjan and Kashif in a day

= 1/30 Part of work completed by them in 20 days

= 20/30 = 2/3 1/3 of the work is remaining. Kashif completes 1/3rd of the work in 25 days. Part of work completed by him in a day

= (1/3)÷25

= 1/75 (1/D)+(1/V) = 1/30 (1/D) = (1/30)-(1/75) = 1/50 Farjan can complete it in 50 days.

### Related Mcqs:

- A and B together take 6 days to complete a task. B and C together take 12 days to complete the same task. A and C together take 8 days to complete it. If A, B and C are working together, how long does it take for them to complete the task?
A. 4(2/3) days

B. 4 days

**C. 5(1/3) days**

D. 1(1/3) days - C takes 6 days to complete half of a work and D takes 5 days to complete 1/3rd of the same work. They take turns to complete the task. If C works for the first 4 days, in how many days will D complete the rest of the work without the help of C?
**A. 10 days**

B. 12 days

C. 8 days

D. 9 days - P can lay railway track between two stations in 16 days. Q can do the same job in 12 days. With the help of R, they completes the job in 4 days. How much days does it take for R alone to complete the work?
**A. 9(3/5) days**

B. 9(1/5) days

C. 9(2/5) days

D. 10 days - Jameel can complete a task in 15 hours and Nasir can complete the same task in 12 hours. Jameel starts the task at 9:00 am and stops working at 2:00pm. Nasir starts working on the task at 4:00 pm. At what time is the task completed?
A. 12:00 pm

B. 2:00 am

**C. 12:00 am**

D. 10:00 pm - 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 - 4 men and 2 woman can complete a work in 2 days. If 2 men alone take 5 days to complete the work, find the time taken by 2 women alone to complete the work.
A. 15 days

**B. 10 days**

C. 8 days

D. 20 days - A and B together can complete a work in 1.2 days,. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work ?
A. 10 days

B. 11 days

**C. 15 days**

D. 20 days - A completes 80% of a work in 20 days. Then B also joins and A and B together finish the remaining work in 3 days. How long does it need for B if he alone completes the work?
**A. 37 ½ days**

B. 22 days

C. 31 days

D. 22 days - A alone can finish a work in X days. B alone can finish the same work in X+5 days. Together, they take 6 days to complete the work. Find X
A. 12

B. 8

**C. 10**

D. 9 - B can work 3 times faster than A. They work together on a task and complete it in a day. How long does it take for B alone to complete the task?
**A. 32 hours**

B. 48 hours

C. 3 days

D. 4 days