Home
Class 14
MATHS
4 boys and 3 girls spent Rs 120 on the a...

4 boys and 3 girls spent Rs 120 on the average, of which boys spent Rs 150 on the average. Then the average amount spent by the girls Is:

A

Rs 80

B

Rs 60

C

Rs 90

D

Rs 100

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • AVERAGE

    KIRAN PUBLICATION|Exercise TYPE-II|51 Videos
  • AVERAGE

    KIRAN PUBLICATION|Exercise TYPE-III|21 Videos
  • ARITHMETICAL PROBLEMS

    KIRAN PUBLICATION|Exercise TYPE-X|32 Videos
  • BOAT AND STREAM

    KIRAN PUBLICATION|Exercise TEST YOURSELF |10 Videos

Similar Questions

Explore conceptually related problems

4boys and 3girls spent Rs.120 on the average,of which boys spend Rs.150 on the average,then the average amount spent by girls is

The average weight of a class of 15 boys and 10 girls is 38.4 kg . If the average weight of the boys is 40 kg, then what is the average weight of the girls ?

The average expenditure of 4 Boys and 3 Girls is Rs. 120 . If the average expenditure of Boy's is Rs. 150 then find out average expenditure of Girl's.

Let the average score of a class of boys and girls in an examination be p. The ratio of boys and girls in the class is 3: 1. If the average score of the boys is (p + 1), then what is the average score of the girls?

In a class, the number of boys and girls are distinct. The average age of all the student in the class equals the average of the average age of the boys and the average age of the girls. The sum of the average age of the boys and the average age of the girls is 10 years. Find the average age (in years) of the boys of the class

The ratio of number of girls to number of boys is 1:2. If the average weight of the boys is 30 kg and the average weight of both the boys and the girls be 25 kg, then the average weight of the girls is:

19 people went to a hotel for a combined dinner party. 14 of them spent Rs. 79 each on their dinner and the rest spent Rs. 7 more than the average expenditure of all the 19. What was the average money spent by each person?

The average score of 42 students in a test is 69. The ratio of the number of boysto that of girls is 10 : 11. The average score of the boys is 20% more than that of the girls. The average score of the boys is :

KIRAN PUBLICATION-AVERAGE-TYPE-X
  1. 4 boys and 3 girls spent Rs 120 on the average, of which boys spent Rs...

    Text Solution

    |

  2. A company produces an average of 4000 items per month for the first 3 ...

    Text Solution

    |

  3. There are in all, 10 balls, some of them are red and the others white....

    Text Solution

    |

  4. The arithmetic mean of the scores of a group of students in a test was...

    Text Solution

    |

  5. A and B have their annual average income Rs. 80,000. B and C have thei...

    Text Solution

    |

  6. A man's pension on retirement from service is equal to half the averag...

    Text Solution

    |

  7. The average salary of all the workers in a workshop is Rs 8000. The av...

    Text Solution

    |

  8. The average (arithmetic mean) amount of savings of ten students is Rs....

    Text Solution

    |

  9. In a family of 8 adults and some minors, the average consumption of ri...

    Text Solution

    |

  10. The average monthly income (in Rs) of certain agricultural workers is ...

    Text Solution

    |

  11. The average of marks scored by the students of a class is 68. The aver...

    Text Solution

    |

  12. An army of 12000 consists of Europeans and Indians. The average height...

    Text Solution

    |

  13. The average pocket money of 3 friends A ,B,C is Rs 80 in a particular ...

    Text Solution

    |

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

    Text Solution

    |

  15. If the average of m numbers is n^(2) and that of n numbers is m^(2) ....

    Text Solution

    |

  16. The average of the three numbers x, y and z is 45. x is greater than t...

    Text Solution

    |

  17. The average expenditure of a man for the first five months of a year i...

    Text Solution

    |

  18. The average of 8 numbers is 20. The average of first tow numbers is 15...

    Text Solution

    |

  19. 30 pens and 75 pencils altogether were purchased for Rs 510. If the av...

    Text Solution

    |

  20. The average mathematics marks of two Sections A and B of Class IX in t...

    Text Solution

    |

  21. Visitors to a show were charged Rs. 15 each on the first day, Rs. 7.50...

    Text Solution

    |