If 'A' can do a work in 20 days and ' B ' can do the same work in 30 days, how many days will it take when both 'A' and ' B ' work together ?

 If 'A' can do a work in 20 days and ' B ' can do the same work in 30 days, how many days will it take when both 'A' and ' B ' work together ?

A). 10 days

B). 12 days

C). 14 days

D). 16 days

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (2+1)
Submit:

Other Questions

1.  A can do a work in 30 days, B can do it in 20 days. They together under took to do a piece of work for Rs.1000, what is the share of B?

2.  A and B together can do a work in 6 days. If A alone can do the work in 10 days then in how many days can B alone do it ?

3. A is 25% more efficient then B. A works for ‘D’ days and completed 1/3 of work and left the work and remaining work is completed by B in ‘D + 12’ day. In how many days A and B together can complete the work.

4.  16 boys or 24 girls can construct the wall in 6 days. the number of days that 8 boys and 12 girls Will take to construct?

5. Direction: Vivek works ‘p’ hours a day and rests ‘b’ hours a day. This pattern continues for 1 week, with an exactly opposite pattern next week, and so on for six weeks. Every 7th week he has a different pattern. When he works longer than he rests, his wage per hour is 50% mo

6.  4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?

7. A, B and C individually can do a work in 10 days, 12 days and 15 days respectively. If they start working together, then the number of days required to finish the work is

8. Work done by A in one day is half of the work done by B in one day Work done by B is half of the work done by C in one day If C alone can complete the work in 7 days in how many days can A B and C together complete the work ?

9. A sum of money is sufficient to pay A's wages for 21 days and B's wages for 28 days. The same money is sufficient to pay the wages of both for :

10.  James can finish a job in 20 dasy he worked for 10 days alone and completed the remaining part working with David 2 days how many days would both David and James together take to complete the entire j