Home
Class 12
MATHS
P can do a work in 9 days and Q is 50% ...

P can do a work in 9 days and Q is 50% more efficient than P. In how many days can Q do it alone ?

A

`13 (1)/(2)`

B

`4 (1)/(2)`

C

`6`

D

`3`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MODEL SOLVED PAPER 2017

    ARIHANT PUBLICATION BIHAR|Exercise MULTIPLE CHOICE QUESTIONS|30 Videos

  • MODEL SOLVED PAPER 2020

    ARIHANT PUBLICATION BIHAR|Exercise Section III Mathematics|30 Videos

Similar Questions

Explore conceptually related problems

P alone can do a work in 60 days. P is 40% less efficient than Q. In how many days can Q alone do the same work?

A alone can do a work in 15 days. A is 20% less efficient than B. In how many days can B alone do the work?

P can complete a work in 72 days. Q is 33.33% more efficient than P. In how many days both complete the work if they work on alternate days starting with P?

P can do a piece of work in 9 days.Q is 50% more efficient than P. The number of days it takes for Q to do the same piece of work is :

ARIHANT PUBLICATION BIHAR-MODEL SOLVED PAPER 2019-SECTION III MATHEMATICS
  1. Find the least number which divided by 12,18,36 and 45 leaves 8,14,32 ...

    Text Solution

    |

  2. P can do a work in 9 days and Q is 50% more efficient than P. In how ...

    Text Solution

    |

  3. In the making of a right circular cone whose base radius is 7 cm and a...

    Text Solution

    |

  4. A reactangular tin sheet is 12 cm long and 5 cm wide. It is rolled suc...

    Text Solution

    |

  5. A shopkeeper announces a discount of 10% on item purchased form his sh...

    Text Solution

    |

  6. The sum of ages of two brothers will be doubled after 10 yr, if the di...

    Text Solution

    |

  7. Out of 30 teachers of a school, a teacher of age 60 years retired. In ...

    Text Solution

    |

  8. 1.34 km apart from Geeta a bullet is fired from a gun. She heard the s...

    Text Solution

    |

  9. The compound interest for a fixed, period of time on Rs 1800 at the ra...

    Text Solution

    |

  10. Value of { (root (n) x ^(2)) ^((n)/(2))}^(2) is

    Text Solution

    |

  11. If (sqrt(3))^(5) xx 81 = 3^(n) xx 3sqrt(3) then the value of n is

    Text Solution

    |

  12. If x ^(4) +(1)/(x ^(4))= 119, then the value of x ^(3) - (1)/(x ^(3)) ...

    Text Solution

    |

  13. If 999x + 888y = 1332 and 888x + 999y = 555, then x ^(2) - y ^(2) is...

    Text Solution

    |

  14. In Delta ABC and Delta MNP , if AB=2.25 cm, MP = 4.5 cm and PN = 7.5 c...

    Text Solution

    |

  15. Given an equilateral triangle ABC, D, E and F are the mid-points of th...

    Text Solution

    |

  16. AC is a chord of that circle whose center is 'O'. If B is any point on...

    Text Solution

    |

  17. The vertices of a right angled triangle right angle at P are P (3,4) ,...

    Text Solution

    |

  18. When theta = 45 ^(@) then what is the value of (sec theta + cosec thet...

    Text Solution

    |

  19. sin^8theta + cos^8 theta = ?

    Text Solution

    |

  20. Expression 1 + (cot ^(2)A )/( 1 + cosec A ) is equal to

    Text Solution

    |