Home
Class 7
MATHS
The ages of Ravish and Shikha are in t...

The ages of Ravish and Shikha are in the ratio `3: 8.` Six years hence, their ages will be in the ratio `4: 9.` the present age of Ravish is (a)18 years (b) 15 years (c)12 years (d) 21 years

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    RD SHARMA|Exercise All Questions|144 Videos

  • RATIONAL NUMBERS

    RD SHARMA|Exercise All Questions|105 Videos

Similar Questions

Explore conceptually related problems

The ages of A and B are in the ratio 3 : 8 Six years hence, their ages will be the ratio 4 : 9 . The present age of A is ?

The ages of A and B are in the ratio 8 : 3 Six years hence their ages will be in the ratio 9 : 4 find the their present ages.

The age of A and B are in the ratio 8:3 , six years hence , their ages Will be in the ratio 9:4 . Find their ages

The ages of A and B are in the ratio 4:3 After 6 years. Their ages will be in the ratio 11:9 , as present age is

The ages of sonal and manoj are in the ratio 7:5 ten years hence, the ratio of their ages will be 9:7 . Find their present ages

The ages of Sonal and Manoj are in the ratio 7:5. Ten years hence the ratio of their ages will be 9:7. Find their present ages

The present ages of A and B are in the ratio 3:4 .Twelve years ago ,their ages were in the ratio 2:3 The sum of the present ages of A and B (in years ) is :

The ages of A and B are in the ratio 3:1 . Fifteen years hence, the ratio will be 2:1 . Their present age (in years) are

The ages of x and y are in the ratio 3:1. Fifteen years hence, the ratio will be 2:1. The present ages (in years) are:

The present age of Mr. Sanyal is three times the age of his son. Six years hence the ratio of their ages will be 5:2. What is the present age of Mr. Sanyal? a. 48 years b. 50 years c. 60 years d. 54 years e. none of these

RD SHARMA-RATIO AND PROPORTION-All Questions
  1. If p : q=2:5, then (25 p+14 q)/(5p+7q)= (a)8:5 (b) 5:8 (c) 8:3 (d) ...

    Text Solution

    |

  2. A ratio equivalent to 2:5 is (a)6: 15 (b) 4:5 (c) 5:2 (d) 5:4

    Text Solution

    |

  3. If 2a=3b=4c , then a : b : c= (a)2:3:4 (b) 3:4:6 (c)4:3:2 (d) 6:4:...

    Text Solution

    |

  4. If 2x=3y\ a n d\ 4y=5z , then x : z= (a) 4:3 (b) 8: 15 (c) 3:4 (d) 1...

    Text Solution

    |

  5. If a/2=b/3=c/4, then a : b : c= (a) 2:3:4 (b) 4:3:2 (c) 3:2:4 (d) No...

    Text Solution

    |

  6. If 1/a :1/b :1/c=3:4:5, then a : b : c (a) 5:4:3 (b) 20 : 15 : 12 (c)...

    Text Solution

    |

  7. If a : b=5:7\ a n d\ b : c=6: 11 , then a : b : c= (a) 35 : 49 : 66 (...

    Text Solution

    |

  8. If x : y=1:1,\ t h e n\ (3x+4y)/(5x+6y)= (a) 7/(11) (b) (17)/(11) (c)...

    Text Solution

    |

  9. If a : b=2:5, then (3a+2b)/(4a+b)= (a) (16)/(13) (b) (13)/(16) (c) (2...

    Text Solution

    |

  10. The mean proportional of a\ a n d\ b is 10 and the value of a is four ...

    Text Solution

    |

  11. If 8: x :: 16 : 35 (a) 35 (b) 70 (c)(35)/2 (d) 24

    Text Solution

    |

  12. The mean proportional of 6 and 24 is (a)15                          ...

    Text Solution

    |

  13. The boys and girls in a school are in the ratio 9: 5. If the number ...

    Text Solution

    |

  14. If the first three terms of a proportion are 3,5 and 21 respectively...

    Text Solution

    |

  15. What must be added to each term of the ratio 9: 16 to make the ratio...

    Text Solution

    |

  16. What least number is to be subtracted from each term of the ratio 15...

    Text Solution

    |

  17. If Rs 840 is divided between P\ a n d\ Q in the ratio 3:4, then P ' ...

    Text Solution

    |

  18. The ages of Ravish and Shikha are in the ratio 3: 8. Six years hence...

    Text Solution

    |

  19. The present ages of Renu and Ravi are in the ratio 5: 6. The sum of ...

    Text Solution

    |

  20. The third proportional of 3 and 27 is (a) 243 (b) 256 (c) 289 (d) ...

    Text Solution

    |