Home
Class 14
MATHS
A can complete 50% of a job in 9 days an...

A can complete 50% of a job in 9 days and B can complete 25% of the job in 9 days if they worked alone. If they worked together how much of the job (in %) can they complete in 9 days?

A

80

B

90

C

75

D

100

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • 2017 TIER-II PAPER(11)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

  • 2017 TIER-II PAPER(13)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

Similar Questions

Explore conceptually related problems

A can do 75% of a job in 9 days and B can do half of the job in 8 days. If they work on it together, then in how many days can they do half of the job?

A can complete of a work in 8 days. B can complete 3/5 of the same work in 12 days and C can complete 4/9 of the same work in 8 days. A and B worked together for 5 days. How much time(in days) will C alone take to complete the remaining work?

A can do a job in 12 days and B can do the same job in 6 days, in how many days working together they can complete the job?

P can do a job in 12 days and Q can do the same job in 6 days, in how many days working together they can complete the job?

X can complete a job in 12 days. If X and Y work together, they can complete the job in 6 days. Y alone can complete the job in

A completes (2)/(3) of a certain job in 6 days. B can complete (1)/(3) of the same job in 8 days and C can complete (3)/(4) of the work in 12 days. All of them work together for 4 days and then A and C quit. How long will it take for B to complete the remaining work alone?

CHAMPION PUBLICATION-2017 TIER-II PAPER(12)-EXERCISE
  1. A is thrice as good a workman as B. C alone takes 48 days to paint a h...

    Text Solution

    |

  2. C is 5 times as productive as B. A takes 60 days to complete a task. ...

    Text Solution

    |

  3. A can complete 50% of a job in 9 days and B can complete 25% of the jo...

    Text Solution

    |

  4. Giving two successive discounts of 60% is equal to giving one discount...

    Text Solution

    |

  5. If an item marked at Rs 480 is being sold at Rs 400, then what is the ...

    Text Solution

    |

  6. On an item there is cash 5% discount on the marked price of Rs 25,000....

    Text Solution

    |

  7. A retailer marks up his goods by 20% and then offers 25% discount. Wha...

    Text Solution

    |

  8. Find two numbers such that their mean proportional is 18 and the third...

    Text Solution

    |

  9. If 6A=4B=9C ,What is A:B:C ?

    Text Solution

    |

  10. Find the third proportional to 10 and 25 .

    Text Solution

    |

  11. A purse has Rs. 34.5 in the form of 1 -rupee , 50 - paise and 10 -pais...

    Text Solution

    |

  12. What number should be added to each of the number 103 , 135 , 110 and...

    Text Solution

    |

  13. When ticket prices to a water park are in creased in the ratio 11:12 t...

    Text Solution

    |

  14. The average weight of X, Y and Z Is 74 kg. If the average weight of X ...

    Text Solution

    |

  15. Of the three numbers whose average is 26, the first is 2/11 times the ...

    Text Solution

    |

  16. The average weight of a class of 50 students Is 48.6 kg. If the averag...

    Text Solution

    |

  17. The average of all odd numbers from 113 to 159 is

    Text Solution

    |

  18. A trader buys jowar at 30 per kg. 20% of the grain gets wasted. He pla...

    Text Solution

    |

  19. If a vendor sells a watermelon at Rs. 69 he makes 8% loss. If he wants...

    Text Solution

    |

  20. The cost of 25 itmes is the same as the revenue earned by selling x it...

    Text Solution

    |