Home
Class 8
MATHS
A and B working together can complete a ...

A and B working together can complete a piece of work in 6 days, B and C in 10 days, C and A in `7(1)/(2)` days. The number of days required by A,B and C respectively to complete the work individually is

A

15,20,30

B

10,20,30

C

10,15,30

D

20,15,10

Text Solution

Verified by Experts

The correct Answer is:
C

Add(A+B)'s,(B+C )'s and (C +A)'s one day's work.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • TIME AND WORK PIPES AND CISTERNS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL-2)|20 Videos
  • TIME AND WORK PIPES AND CISTERNS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL-3)|7 Videos
  • TIME AND WORK PIPES AND CISTERNS

    PEARSON IIT JEE FOUNDATION|Exercise Essay Type Question|5 Videos
  • TIME AND DISTANCE

    PEARSON IIT JEE FOUNDATION|Exercise Concept Application (Level 2 )|3 Videos
  • TIME AND WORK, PIPES AND CISTERNS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL-3)|7 Videos

Similar Questions

Explore conceptually related problems

A and B can do a work in 12 days, B and C in 15 days, C and A in 20 days. If A, B and C Work together, they will complete the work in :

A and B can do a work in 12 days .B and C in 15 days .C and A in 20 days. If A,B and C work together ,they will complete the work in :

Knowledge Check

  • A and B working together can complete a piece of work in 6 days, B and c in 10 days, C and A in 7(1)/(2) . The number of days required by A, B, and C, respectively, to complete the work individually is ___________.

    A
    15, 20, 30
    B
    10, 20, 30
    C
    10, 15, 30
    D
    20, 15, 10
  • A and B together can complete a piece of work in 72 days, B and C together can complete it in 120 days, and A and C together in 90 days. In what time can A alone complete the work ?

    A
    80 days
    B
    100 days
    C
    120 days
    D
    150 days
  • A and B can do a work in 12 days, B and C in 15 days and C and A in 20 days. If A, B and C work together, they will complete the work in :

    A
    5 days
    B
    `7(5)/(6)` days
    C
    10 days
    D
    `15(2)/(3)` days
  • Similar Questions

    Explore conceptually related problems

    A can do a piece of work in 10 days, B can do it in 12 days and C can do it in 15 days. In how many days they can complete the work, working together?

    A and B together can do a piece of work in 10 days, B and C together can do it in 15 days while C and A together can do it in 20 days. Together they will complete the work in:

    If a work can be completed by A in 30 days and by B in 60 days. Then, the number of days taken by them to complete the work, working together is

    If a work can be completed by A in 30 days and by B in 60 days. Then, the number of days taken by them to complete the work, working together is

    A and B can do a given piece of work in 8 days, B and C can do the same work in 12 days and A, B, C complete it in 6 days. Number of days required to finish the work by A and C is