Home
Class 12
MATHS
150 workers were engaged to finish a pie...

150 workers were engaged to finish a piece of work in a certain number of days. Four workers dropped from the work on the second day. Four workers dropped on third day and so on. It took 8 more days to finish the work. Find the number of days in which the work was completed. [Let the no.of days to finish the work is 'r' then
`150 x = (x+8)/2 [2 xx 150 + (x+8-1)(-4)]`

Text Solution

Verified by Experts

The correct Answer is:
` = 25 days`
Promotional Banner

Topper's Solved these Questions

  • SEQUENCES AND SERIES

    NEW JOYTHI PUBLICATION|Exercise EXERCISE|49 Videos

  • SEQUENCES AND SERIES

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|105 Videos

  • RELATIONS AND FUNCTIONS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|33 Videos

  • SETS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|21 Videos

Similar Questions

Explore conceptually related problems

How many days are needed for the worker bee to becomne a matured one

Number of days taken by the Mars to orbit around the Sun.

For doing some work, Pintu takes 6 days more than Nishu. If both work together, they complete the work in 4 days. Find the number of days if Pintu and Nishu work alone.

For doing some work, Ganesh takes 10 days more than John. If both work together, they will completen the work in 12 days. Find the number of days if Ganesh work alone?

NEW JOYTHI PUBLICATION-SEQUENCES AND SERIES -QUESTIONS FROM COMPETITIVE EXAMS
  1. 150 workers were engaged to finish a piece of work in a certain number...

    Text Solution

    |

  2. The sum to n terms of the series 1/2 + 3/4 + 7/8 + 15/16 + ....... is

    Text Solution

    |

  3. 0.2 + 0.22 + 0.222 + …….. to n terms =

    Text Solution

    |

  4. If (a^(n + 1) + b^(n + 1))/(a^(n) + b^(n)) is the arithmetic mean betw...

    Text Solution

    |

  5. If (i)^(2) = -1, (i)^(2) + (i)^(4) + (i)^(6) + ...... to (2n + 1) term...

    Text Solution

    |

  6. If S(n) denotes the sum of n terms of an A.P., S(n +3) - 3S(n + 2) + 3...

    Text Solution

    |

  7. The HM of 2 numbers is 4. Their AM is A and GM is G. If G satisfies 2...

    Text Solution

    |

  8. The angle of triangle are in 30^(@). The greatest angle in radians is

    Text Solution

    |

  9. How many terms of the geometric series 1 + 4 + 16 + 64 + ……… will make...

    Text Solution

    |

  10. Find the value of n so that (a^(n+1)+b^(n+1))/(a^(n)+b^n) may be the ...

    Text Solution

    |

  11. The sum of the series 1 + 2.2 + 3.2^(2) + 4.2^(3) + 5.2^(4) + ……… + 1...

    Text Solution

    |

  12. If A, G, H denote respectively the AM, GM and HM between two unequal p...

    Text Solution

    |

  13. Let a, b, c be district real numbers. If a, b, c are in G.P and a + b ...

    Text Solution

    |

  14. The numbers of terms of the A.P 3, 7, 11, 15, …… to be taken so that t...

    Text Solution

    |

  15. If the progression 3, 10, 17, …… and 63, 65, 67, …… are such that thei...

    Text Solution

    |

  16. Which term of the geometric sequence 5,2,4/5 , 8/(25) … is (128)/(15...

    Text Solution

    |

  17. If a, b and c are respectively the p^(th),q^(th)and r^(th) terms of an...

    Text Solution

    |

  18. The sum of infinite terms of the geometric progression (sqrt(2) + 1)/(...

    Text Solution

    |

  19. The two geometric means between the numbers 1 and 64 are

    Text Solution

    |

  20. If 1 + (1 + 2)/2 + (1 + 2 + 3)/3 + ...... to n terms is s, then s is e...

    Text Solution

    |

  21. If a, b, and c are in A.P., then which one of thew following is not tr...

    Text Solution

    |