Working alone, A can do a job in 15 days and B can do the same job in 18 days. In how many days will the job be completed if both work together?

Working alone, A can do a job in 15 days and B can do the same job in 18 days. In how many days will the job be completed if both work together?
1). 11/90 days
2). 90/11 days
3). 5/36 days
4). 36/5 days

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (1+4)
Submit:

Other Questions

1. A, B and C are employed to do a work for Rs. 22960. A and C together finished 23/41 of the work and B and C together finished 19/41 of the work. Wage of C (in Rs.) is

2.  A can do half the work in one day where as B can do it full. B can also do half the work of C in one day. Ratio in their efficiency will be?

3.  8 men can dig a pit in 20 days. If a man works half as much again a s a boy, then 4 men and 9 boys can dig a similar pit in:

4. A and B together can complete a work in 8 days. B alone can complete that worked for four days, After that how long will A alone take to complete the work ?

5.  A can do a piece of work in 4hrs.B and C together can do it 3 hrs while A and C can do it in 2 hrs how long it will take for B?

6. To complete a project, 18 women take 4 more days than the number of days taken by 12 men. If eight men complete the project in 9 days, how much work will be left when 15 women and 12 men together work for 3 days ?

7. A skilled, a half skilled and an unskilled labourer work for 7,8 and 10 days respectively and they together get Rs. 369 for their work. If the ratio of their each day's work is $\frac{1}{3}:\frac{1}{4}:\frac{1}{6}$, then how much does the trained labourer get ( in rupees ) ?

8. Working 9 hours a day, Manish can read a book in 16 days. How many hours a day should he work so as to finish the same work in 24 days?

9. Suman can do a work in 3 days. Sumati can do the same work in 2 days. Both of them finish the work together and get Rs. 150. What is the share of Suman ?

10. Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?