Home
Class 7
MATHS
Twelve persons can do a piece of work in...

Twelve persons can do a piece of work in days. How many persons are required to do the same in 24 days?

A

20

B

10

C

15

D

18

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • RATIO AND ITS APPLICATIONS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL 3)|30 Videos
  • RATIO AND ITS APPLICATIONS

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS (TEST 1)|12 Videos
  • RATIO AND ITS APPLICATIONS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL 1)|33 Videos
  • NUMBER SYSTEM

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS|24 Videos
  • Set theory

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TEST Test 2|12 Videos

Similar Questions

Explore conceptually related problems

Twelve persons can do a piece of work in 20 days. How many persons are required to do the same in 24 days?

35 women can do a piece of work in 15 days. How many women would be required to do the same work in 25 days?

12 persons can do a piece of work in 4 days. How many persons are required to complete 8 times the work in half the time? 144 b. 190 c. 180 d. 192

30 persons can do a piece of work in 24 days. How many more people are required to complete the work in 20 days?

15 persons can do a piece of work in 12 days. How many more people are required to complete the work in 10 days?

Twelve men can do a piece of work in 15 days. How many men are required to complete a work which is three and a half times the original work in 10 days ?

Twelve men can do a piece of work in 15 days. How many men are required to complete a work which is three and a half times the original work in 10 days ?

36 persons working 8 hours a day can do 3 units of work in 12 days. How many persons are required to do 5 units of that work in 16 days, if they work for 6 hours a day?

PEARSON IIT JEE FOUNDATION-RATIO AND ITS APPLICATIONS-CONCEPT APPLICATION (LEVEL 2)
  1. Twelve persons can do a piece of work in days. How many persons are re...

    Text Solution

    |

  2. The ages of Ram and Shyam are in the ratio 7:6 and the sum of their ag...

    Text Solution

    |

  3. If a:b = 2:5, the find the value of ((3a + 2b))/((4a + b)).

    Text Solution

    |

  4. Find the third proportional of 3 and 27.

    Text Solution

    |

  5. Anand saves 55% of his income. If his income is Rs. 11000, then find h...

    Text Solution

    |

  6. Rohit scored 180 marks in the first test and 150 marks in the secon...

    Text Solution

    |

  7. 45% of 900 is equal to

    Text Solution

    |

  8. The simple interest for Rs 1500 at 8% per annum for 3 years is Rs 4...

    Text Solution

    |

  9. Calculate the amount on Rs. 20000 at 5% per annum for 5 years under si...

    Text Solution

    |

  10. What distance will a body cover in 20 s travelling at 50 m/s?

    Text Solution

    |

  11. Twelve persons can do a piece of work in 20 days. How many persons are...

    Text Solution

    |

  12. Sahil takes 1 h to travel from his house to a market. If his speed is ...

    Text Solution

    |

  13. The cost of 30 mangoes is less then cost of 40 mangoes by Rs 50. Fi...

    Text Solution

    |

  14. If the simple interest on a certain sum for 2 years at the rate of 5...

    Text Solution

    |

  15. Nikhil is twice as efficient as Anil Nikhil takes 30 days to complete ...

    Text Solution

    |

  16. A gold smith can make three necklaces in 5 days. How many neckleces ...

    Text Solution

    |

  17. 12. A train of length 200m crosses a platform of length 100m in 12 sec...

    Text Solution

    |

  18. A train travelling at 90 km/h crosses a pole in 8 s. Find the length o...

    Text Solution

    |

  19. A can do a piece of work in 16 days and B can do the same work in 20 d...

    Text Solution

    |

  20. In how many years will a certain sum become 3 times itself at 25% p...

    Text Solution

    |

  21. Calculate the amount on Rs. 25000 at 8% per annum for 6 years under si...

    Text Solution

    |