Home
Class 14
MATHS
The number of students in three classes ...

The number of students in three classes are in the ratio 2 : 3 : 5. If 40 students are increased in each class, the ratio changes to 4:5:7. Originally, the total number of students was :

A

100

B

180

C

200

D

400

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • RATIO AND PROPORTION

    KIRAN PUBLICATION|Exercise TYPE-III|116 Videos
  • RATIO AND PROPORTION

    KIRAN PUBLICATION|Exercise TYPE-IV|30 Videos
  • RATIO AND PROPORTION

    KIRAN PUBLICATION|Exercise TEST YOURSELF|19 Videos
  • PROFIT AND LOSS

    KIRAN PUBLICATION|Exercise TEST YOURSELF|23 Videos
  • SEQUENCE AND SERIES

    KIRAN PUBLICATION|Exercise TEST YOURSELF |20 Videos

Similar Questions

Explore conceptually related problems

The students in three classes are in the ratio 2:3:5. If 40 students are increased in each class, the ratio changes to 4 : 5:7. Originally the total number of students was

The students in three classes are in the ratio 2:3:5. If 20 students are increased in each class, the ratio changes to 4:5:7. Originally the total number of students was :

The number of students in 3 classes are in the ratio 2:3:4. If 12 students are increased in each class, this ratio changes to 8:11:14. The total number of students in the three classes in the beginning was

The students in three classes are in the ratio of 2:3:4. If 40 students are added in each clas, the ratio becomes 4:5:6. Find the total number of students in all the three classes is :

The proportion of students in three classes is 3 : 4 : 5 . If the number of students is increased by 20 in each class, then the proportion changes to 4 : 5 : 6 . What is the initial number of students in the three classes taken together ?

The ratio of the number of students of three class is 2:3:5 .If 20 students are added in each class then the ratio becomes 4:5:7 .Find the number of student in each class before adding .

KIRAN PUBLICATION-RATIO AND PROPORTION -TYPE-II
  1. The ratio of the number of boys and girls of a school with 504 student...

    Text Solution

    |

  2. Two numbers are in the ratio 1(1/2) : 2(2/3). When each of these is in...

    Text Solution

    |

  3. The number of students in three classes are in the ratio 2 : 3 : 5. If...

    Text Solution

    |

  4. Two numbers are in the ratio 5:7. If 9 is subtracted from each of them...

    Text Solution

    |

  5. The ratio of number of boys to that of girls in a group becomes 2:1 wh...

    Text Solution

    |

  6. The ratio of the number of ladles to that of gents at a party was 3 : ...

    Text Solution

    |

  7. Two numbers are in the ratio 7:11. If 7 is added to each of the number...

    Text Solution

    |

  8. The ratio between two numbers is 2 : 3. If each number is increased by...

    Text Solution

    |

  9. What number should be added to or subtracted from each term of the rat...

    Text Solution

    |

  10. The total number of students in a school was 660. The ratio of number ...

    Text Solution

    |

  11. If there is a reduction in the number of workers in a factory in the r...

    Text Solution

    |

  12. Two numbers are in the ratio of 3 : 5. If 9 be subtracted from each, t...

    Text Solution

    |

  13. Three numbers are in the ratio 1 : 2 : 3. By adding 5 to each of them,...

    Text Solution

    |

  14. Ram got twice as many marks in English as in Science. His total marks ...

    Text Solution

    |

  15. Rs. 782 is divided into three parts in the ratio 1/2 : 2/3 : 3/4 the ...

    Text Solution

    |

  16. The average of 11 numbers is 36, whereas average of 9 of them is 34. I...

    Text Solution

    |

  17. The ratio of number of boys to the number of girls in a school of 432,...

    Text Solution

    |

  18. If the ratio of two numbers is 1: 5 and their product is 320, then the...

    Text Solution

    |

  19. The ratio of two positive numbers is 3 :4. The sum of their squares is...

    Text Solution

    |

  20. Three numbers are in the ratio 1 : 2 :3 and the sum of their cubes is ...

    Text Solution

    |