Home
Class 14
MATHS
The average annual income (in Rs) of ...

The average annual income (in Rs) of certain agricultural workers is `S` and that of other workers is `T` . The number of agricultural workers is 11 times that of other workers. Then the average monthly income (in Rs) of all the workers is `(S+T)/2` (b) `(S+11 T)/2` (c) `1/(11 S)+T` (d) `(11 S+T)/(12)`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • AREA

    RS AGGARWAL|Exercise All Questions|473 Videos

  • BANKERS DISCOUNT

    RS AGGARWAL|Exercise All Questions|20 Videos

Similar Questions

Explore conceptually related problems

The average income of a group of 9 workers is Rs 137.30 and that of another group of 7 workers is rs 95.06. The average income of all the persons is:

In a factory ratio of number of 3 categories (A, B and C) of workers is 10 : 7:4. If number of workers in category C is 54 and income of total worker in category B is Rs 1400. Find the total income of workers of category A.

Number of nuclei of a radioactive substance are 1000 and 900 at times t=0 and time t=2 s . Then, number of nuclei at time t=4s will be

The average salary of all the workers in a workshop is Rs 8000. The average salary of 7 technicians is Rs 12000 and the average salary of the rest is Rs 6000. The total number of workers in the workshop is (a) 20 (b) 21 (c) 22 (d) 23

Find average speed in time interval t= 2 to t=10s

p, q, r, s, t, are five numbers such that the average of p,q and r is 5 and that of s and t is 10. What is the average of all the five numbers ?

The mean monthly salary paid to 75 workers in a factory is Rs 5680. The mean salary of 25 of them is Rs 5400 and that of 30 others is Rs 5700. The mean salary of the remaining workers is (a) Rs 5000 (b) Rs 6000 (c) Rs 7000 (d) Rs 8000

RS AGGARWAL-AVERAGE-All Questions
  1. The average marks of a student in 4 subjects is 75. If the student ...

    Text Solution

    |

  2. The average age of the boys in a class is 16 years and that of the ...

    Text Solution

    |

  3. The average annual income (in Rs) of certain agricultural workers i...

    Text Solution

    |

  4. A family consists of grandparents, parents and three grandchildren....

    Text Solution

    |

  5. A library has an average of 510 visitors on Sundays and 240 on othe...

    Text Solution

    |

  6. In a class there are 32 boys and 28 girls. The average age of the b...

    Text Solution

    |

  7. The average weight of 16 boys in a class is 50.25 kgs and that of t...

    Text Solution

    |

  8. The mean of 5 observations is 60, the mean of 10 observations is 30...

    Text Solution

    |

  9. The average expenditure of a man for the first five months of a yea...

    Text Solution

    |

  10. A school has 4 sections of Chemistry in Class X having 40, 35, 45 a...

    Text Solution

    |

  11. If the average of m numbers is n^2 and that of n numbers is m^2 ...

    Text Solution

    |

  12. The average of five consecutive numbers is x . If the next two n...

    Text Solution

    |

  13. A person purchases 1 kg of tomatoes from each of the 4 places at th...

    Text Solution

    |

  14. In a certain factory there are five workers A ,\ B ,\ C ,\ D and E ...

    Text Solution

    |

  15. A car owner buys petrol at Rs 17, Rs 19 and Rs 20 per litre for thr...

    Text Solution

    |

  16. The average of six numbers is x and the average of three of thes...

    Text Solution

    |

  17. Out of 9 persons, 8 persons spent Rs 30 each for their meals. The n...

    Text Solution

    |

  18. There were 35 students in a hostel. If the number of the students i...

    Text Solution

    |

  19. The average price of three items of furniture is Rs 15000. If their...

    Text Solution

    |

  20. Of the four members, the first is twice the second, the second is o...

    Text Solution

    |