Home
Class 14
MATHS
The average weight of the boys in a clas...

The average weight of the boys in a class is 30kg and the average weight of girls in the same class is 20kg. If the average weight of the whole class is 23.25kg, what could be the possible strength of boys and girls respectively in the same class?

A

14 and 26

B

13 and 27

C

17 and 27

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ALLIGATIONS

    DISHA PUBLICATION|Exercise PRACTICE EXERCISES (EXPERT LEVEL) |15 Videos

  • ALLIGATIONS

    DISHA PUBLICATION|Exercise TEST YOURSELF |15 Videos

  • ALLIGATIONS

    DISHA PUBLICATION|Exercise PRACTICE EXERCISES (FOUNDATION LEVEL) |20 Videos

  • AVERAGES

    DISHA PUBLICATION|Exercise Test Yourself|15 Videos

Similar Questions

Explore conceptually related problems

The average weight of boys in a class is 30kg and the average weight of girls in the same class is 20kg. If the average weight of the whole class is 23.25kg ,what could be the possible strength of boys and girls respectively in the same class? (a) 14 and 26 (b) 13 and 27 (c) 17 and 27 (d) None of these

The average weight of boys in a class is 30 kg and the average weight of girls in the same class is 20 kg. If the average weight of the whole class is 23.25 kg, what could be the possible strength of boys and girls respectively in the same class ?

The average weight of the boys in a class is 69.3 kg and that of the girls in the same class is 59.4 kg. If the average weight of all the boys and girls in the class is 63.8 kg, then the percentage of the number of boys in the class is:

The average of the weights of boys in a class is 69.3 kg and that of girls in the same class is 59.4 kg. If the average of the weights of all the boys and girls in the class is 63.8 kg. then the percentage of the number of girls in the class is:

The average weight of a class of 40 students is 30 and the average weight of a class of 20 students is 15. Find the average weight of both the combined classes :

The average weight of 90 girls in a class is 20. The average weight of a group of 16 girls in the class is 12 kg and the average weight of another 34 girls in the class is 16. What is the average weight of the remaining girls in the class ?

The average weight of a class of 40 students in 30 and the average weight of a class of 20 students is 15. Find the average weight of both the combined classes:

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 ?

DISHA PUBLICATION-ALLIGATIONS -PRACTICE EXERCISES (STANDARD LEVEL)
  1. 300 grams of sugar solution has 40% of sugar in it. How much sugar sho...

    Text Solution

    |

  2. There are 65 students in a class. 39 rupees are distributed among them...

    Text Solution

    |

  3. How much water must be added to a bucket which contains 40 L of milk a...

    Text Solution

    |

  4. A dishonest milkman professes to sell his milk at cost price but he mi...

    Text Solution

    |

  5. Jayashree purchased 150 kg of wheat of the rate of 7 per kg. She sold...

    Text Solution

    |

  6. The ratio of milk and water in 55 litres of adulterated milk is 7 : 4....

    Text Solution

    |

  7. From a cask full of milk, 10 litres are taken out of 50 litre and is ...

    Text Solution

    |

  8. The average weight of the boys in a class is 30kg and the average weig...

    Text Solution

    |

  9. In what ratio should water be mixed with soda costing 12 per litre so...

    Text Solution

    |

  10. Two vessels A and B of equal capacities contain mixtures of milk and w...

    Text Solution

    |

  11. Two alloys composed of gold and silver together weight 20 kg. One lump...

    Text Solution

    |

  12. Two vessels A and B contain spirit and water mixed in the ratio 5:2 an...

    Text Solution

    |

  13. Two vessels A and B contain milk and water mixed in the ratio 8: 5 and...

    Text Solution

    |

  14. A can contains a mixture of two liquids A and B in the ratio 7:5 .Whe...

    Text Solution

    |

  15. Ram prepares solutions of alcohol in water according to customers' nee...

    Text Solution

    |

  16. There are two containers : the first contains 500 ml of alcohol, while...

    Text Solution

    |

  17. An industrial solvent of 90% strength is prepared and stored Q in a 15...

    Text Solution

    |