Home
Class 8
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)`

A

`(S+11T)/(12)`

B

`(S+T)/(2)`

C

`(11S+)/(12)`

D

`(1)/(11S)+T`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • AVERAGE

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET|10 Videos
  • AVERAGE

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET|10 Videos
  • AREA AND PERIMETER OF RHOMBUS, TRAPEZIUM AND POLYGONS

    S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet-25 (Chapters 25 and 26)|10 Videos
  • CIRCLES

    S CHAND IIT JEE FOUNDATION|Exercise UNIT TEST - 4 |25 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

S CHAND IIT JEE FOUNDATION-AVERAGE-QUESTION BANK
  1. X has twice has much money as thast of y and y has 50% of more money t...

    Text Solution

    |

  2. The average score of two serctions is 28. The average score of section...

    Text Solution

    |

  3. The average age of father and his two sons is 27 years. Five years ago...

    Text Solution

    |

  4. The average marks obtained by five students A,B,C,D and E is 52(3)/(5)...

    Text Solution

    |

  5. In an examination, a pupils average marks was 63 per paper. If he h...

    Text Solution

    |

  6. The average of marks of 28 students in Mathematics was 50. Eight stude...

    Text Solution

    |

  7. The average of 11 players of a cricket team is decreased by 2 month...

    Text Solution

    |

  8. The average monthly salary of the workers in a workshop is Rs. 8500. i...

    Text Solution

    |

  9. The average age of 30 boys in a class is 15 years. One boy aged 20 yea...

    Text Solution

    |

  10. 3 years ago, the average age of a family of 5 members was 17 years. A ...

    Text Solution

    |

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

    Text Solution

    |

  12. The average monthly income of P and Q is Rs 5050. The average mo...

    Text Solution

    |

  13. the average of four positive integers is 72.5. the highest integer is...

    Text Solution

    |

  14. The average score of a class of boys and girls in an examination is...

    Text Solution

    |

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

    Text Solution

    |

  16. The average temperature of the town in the first four days of a mon...

    Text Solution

    |

  17. A company produces on an average 4000 items per month for the first...

    Text Solution

    |

  18. The average of 5 consecutive numbers is m. if the next three natural n...

    Text Solution

    |

  19. The average weight of 3 men A ,\ B and C is 84 kg. Another man D...

    Text Solution

    |

  20. The batting average for 40 innings of a cricket player is 50 runs. ...

    Text Solution

    |