A, B and C can do a piece of work in 30, 20 and 10 days respectively. A is assisted by B on one day and by C on the next day. alternately. How long would the work take to finish ?

A, B and C can do a piece of work in 30, 20 and 10 days respectively. A is assisted by B on one day and by C on the next day. alternately. How long would the work take to finish ?
1). $9\frac{3}{8}$ days
2). $4\frac{8}{8}$ days
3). $8\frac{4}{13}$ days
4). $3\frac{9}{13}$ days

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (4+3)
Submit:

Other Questions

1.  5 men are equal to as many women as are equal to 8 boys. All of them earn Rs.90 only. Men’s wages are?

2. A and B together can do a work in 16 days, which B and C together can do in 32 days. After A has been working at it for 15 days and B for 13 days, C finished it in 10 days. In how many days A and C alone will do the work respectively?

3. A tank can be filled by two taps X and Y in 5 hrs and 10 hrs respectively while another tap Z empties the tank in 20 hrs. In how many hours can be tank be filled, if all 3 taps are kept open?

4. X and Y can complete a work in 5 days. Y and Z can complete the same work in 6 days. Z and X can complete the same work in 15/2 days. In how many days will X, Y and Z together complete the work?

5. A and B together do a job in 15 days and A alone could do the same job in 20 days. How many days would B take to do half the job if he worked alone?

6. A and B can do a piece of work in 10 days, B and C in 15 days and C and A in 20 days. C alone can do the work in :

7. A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job ?

8. If A and B together can complete a work in 12 days, B and C together in 15 days and C and A together in 20 days, then B alone can complete the work in

9. A and B together can complete a job in 8 days. B working alone can finish the same job in 12 days while C finishes it in 15 days. A and B commence work on the job, and work for 4 days, whereupon A leaves. B continues for 2 more days and then leaves too. C now starts working and finishes the job. How many days did C require?

10. The efficiency of work of P and Q are in the ratio 5 : 7. What will be the ratio of number of days taken by them to finish the work?