ExamCompetition Forum Question Papers Ask A Question Mock Test Learn & Earn Sign Up Login Menu



0 vote

 A is twice efficient as B and together they do the same work in as much time as C and D together. If C and D can complete the work in 20 and 30 daysrespectively, working alone ,then in how many days A

Asked on by | Votes 0 | Views: 50 | Tags: quantitative aptitude     | time and work     | Add Bounty

 A is twice efficient as B and together they do the same work in as much time as C and D together. If C and D can complete the work in 20 and 30 daysrespectively, working alone ,then in how many days A

A). 12 days

B). 18 days

C). 24 days

D). 30 days


Share on Facebook      Share on Whatsapp       Share on Twitter




2 answers

0 vote
Answered by on | Votes 0 |

18 days



NA

Join Telegram Group




0 vote
Answered by on | Votes 0 | | Last Updated: 2021-10-19 15:35:38

18




Answer This Question

Name:
Email:
Answer :
Sum of (5+2)
Submit:

Other Questions

1. If two men or six women or four boys can finish a work in 99 days, then how many days will one man, one woman and one boy together take to finish the same work

2. A cistern is normally filled by a tap in 5 hours, but suddenly a leak develops and it empties the full cistern in 30 hours with the leak, the cistern is filled in

3.  Three pipes A, B and C can fill a cistern in 36 minutes. After working together for 12 minutes, C is closed and A and B fill the cistern in 48 minutes. Find the time in which the cistern can be filled

4.  A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work?

5. A can do 50% of the job in 16 days, B can do 1/4th of the job in 24 days. In how many days can they do 3/4th of the job working together?

6.  A certain number of men can do a work in 65 days working 6 hours a day. If the number of men are decreased by one-fourth, then for how many hours per day should they work in order to complete the work

7. Two spinning machines A and B can together produce 3,00,000 metres of cloth in 10 hours. If machine B alone can produce the same amount of cloth in 20 hours, then how much cloth can machine A alone produce in 10 hours?

8.  A can do a piece of work in 21 days and B in 28 days. Together they started the work and B left after 4 days. In how many days can A alone do the remaining work?

9. Six women alone can complete a piece of work in 10 days whereas 10 children alone take 15 days to complete the same piece of work. How many days will 6 women and 10 children together take to complete the piece of work ?

10. A group of men started work and aimed to finish the same in 10 days. After 4 days, 6 men left. The remaining men finished the work in 12 more days. How many men were there in the group initially?