Home
Class 14
MATHS
In a library the ratio of story books an...

In a library the ratio of story books and other books in `7:2` and there are 1512 story books Due to collection of some more story books the said ratio becomes `15:4` .The number of story books collected is :

A

100

B

84

C

708

D

205

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • 2014 TIER-II PAPER(18)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos
  • 2015 TIER-II PAPER(17)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos
CHAMPION PUBLICATION-2014 TIER-II PAPER(19)-EXERCISE
  1. Two workers A and B are engaged to do a piece of work. A working alone...

    Text Solution

    |

  2. If a man earns ₹ 2,000 for his first 50 hours of work in a week and t...

    Text Solution

    |

  3. If x can finish a job in 4 hours and y can finish the same job in 8 ho...

    Text Solution

    |

  4. A company employed 200 workers to complete a certain work in 150 days....

    Text Solution

    |

  5. x can copy 80 pages in 20 hours, x and y together can copy 135 pages i...

    Text Solution

    |

  6. x does (1)/(4) of a job in 6 days, y completes rest of the job in 12...

    Text Solution

    |

  7. Mr. x and Mr. y each bought the same motorcycle using a 10% off coupon...

    Text Solution

    |

  8. If a person makred a product 25% above the cost price but allows 10% d...

    Text Solution

    |

  9. The price of an antique is reduced by 20% and then this price is again...

    Text Solution

    |

  10. A builder purchases 25 windows at 25% off the total price of Rs. 1,20,...

    Text Solution

    |

  11. If A: B = 1/2 : 1/3, B: C = 1/5 : 1/3, then (A+B): (B+C) is equal to...

    Text Solution

    |

  12. In a partnership business, B's capital was half of A's. If after 8 mon...

    Text Solution

    |

  13. A school group charters three identical buses and occupies (4)/(5) of ...

    Text Solution

    |

  14. A and B invest in the ratio 3:5. After 6 months, C joins the business,...

    Text Solution

    |

  15. In a library the ratio of story books and other books in 7:2 and there...

    Text Solution

    |

  16. Study the bar diagram and answer the questions. बार-आरेख का अध्ययन क...

    Text Solution

    |

  17. Study the bar diagram and answer the questions. बार-आरेख का अध्ययन क...

    Text Solution

    |

  18. In an Institution there are 800 students. Students use different modes...

    Text Solution

    |

  19. In an Institution there are 800 students. Students use different modes...

    Text Solution

    |

  20. In an Institution there are 800 students. Students use different modes...

    Text Solution

    |