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



0 vote

 25 men can complete a work in 8 days. 15 women can complete the same work in 20 days & 9 children can complete it in 40 days. In how many days can one man, one woman and one child together complete th

Asked on by | Votes 0 | Views: 351 | Tags: quantitative aptitude     | time and work     | Add Bounty

 25 men can complete a work in 8 days. 15 women can complete the same work in 20 days & 9 children can complete it in 40 days. In how many days can one man, one woman and one child together complete th

A). 80 days

B). 85 days

C). 90 days

D). 95 days


Share on Facebook      Share on Whatsapp       Share on Twitter




1 answers

1 vote
Answered by on | Votes 1 |

90 days



25 men can complete the work in 28 days.
∴ The man can complete the work in 25 x 8 = 200 days.
∴ One man's one day's work = 1/200
Similarly,
One woman's one day's work = 1/300
and one child's one day's work = 1/360
∴ (One man + one woman + one child)'s one day's work = 1/200 + 1/300 + 1/360
= 9+6+5/1800 = 20/1800 = 1/90
∴ One man, one woman and one child can finish the work in 90 days.

Join Telegram Group




Answer This Question

Name:
Email:
Answer :
Sum of (1+5)
Submit:

Other Questions

1. M is thrice as good as workman as N and together they finish a piece of work in 30 days. In how many days will M alone finish the work?

2. Two pipes A and B can alone fill a tank in 6 hours and 9 hours respectively. Pipe C can alone empty the same tank in 6 hours. If all three pipes are opened together, then in how many hours will the tank be filled?

3. A man travelled a distance of 60 km in 7 hours. He travelled partly on foot @ 6 km/hr and partly on bicycle @ 12 km/hr. What is the distance (in kms) travelled on foot?

4. Given below are two quantities named A and B. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose between the possible answers. Quantity A: A alone can complete the work in 10 days, B alone can do same work in 12 days and C alone can do the same work in 15 days. They jointly complete the work and earn Rs. 4500. What is the share of C? Quantity B: Rs. 1200

5. If 80 persons can finish a work within 16 days by working 6 hours a day. the number of hours a day, should 64 persons work to finish that very job within 15 days is:

6.  A can do a bit of work in 24 days while B alone can do it in 16 days. With the help of C, they can complete the work in 8 days. C alone can take every necessary step in

7. A and B can complete a piece of work in 12 and 18 days reapectlvely. A begins to do the work and they work alternatively one at a time for one day each. The whole work will be completed in

8.  A, B and C together earn Rs. 300 per day, while A and C together earn Rs. 188 and B and C together earn Rs. 152. The daily earning of C is:

9. 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

10. A can do a work in 15 days and B in 30 days. If they work on it together, then in how many days will they be able to do 50% of the work?