Home
Class 7
MATHS
The age of A and B are in ratio.5:2 afte...

The age of A and B are in ratio.5:2 after 5 years their age will be in the ratio 15:7 . Find the present of A

Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLE

    JNAN PUBLICATION|Exercise EXAMPLE|2 Videos
  • RATIO

    JNAN PUBLICATION|Exercise EXAMPLE|52 Videos

Similar Questions

Explore conceptually related problems

Express the following statements in the form of simultaneous linear equations and solve them by drawing graphs : (ii) At present the age of a father is 28 years more than that of his son. After 10 years the age of father will be 3 times of the age of his son. Find the present ages of both father and son.

At a present your uncle is elder than you by 16 years. After 8 years, the age of your uncle will be 2 times of your age. Find the present ages of you and your uncle with the help of graphs.

The sum of the ages of a father and his son is at present 50 years. When the age of the son will be equal to the present age of his father, then the sum of their ages will be 102 years. Find the present ages of the son and his father.

At present, my father’s age is 7 times of my age. After 10 years my father’s age will be 3 times of my age. Let’s find and write the present age of my father and me.

The present age of father is the squre of present age of son. After some yearts when the age fo son is half the present age of fater, then age of father will be 8 times the present age of son. Find the present age of Father.

At present , sum of the ages of a father and his son in 46 years . When the age of the son will be equal to the present age of his father , the total age of them will be 102 years . Determine the present ages of the father and his son.

sum of the ages of a father and his son is 55 years. After 10 years , the father's age will be double of that of his son. What are their present ages ?

The ratio 2^1.5 : 2^0.5 is the same as____

At present chadu is 8 years older than his brother. After 5 yeras chadu's age will be double the age of his brother age. Let's find their present age.

JNAN PUBLICATION-PROPORTION-EXAMPLE
  1. Let's find if the pair of ratios given below are equal and also find i...

    Text Solution

    |

  2. Let's find if the pair of ratios given below are equal and also find i...

    Text Solution

    |

  3. The age of A and B are in ratio.5:2 after 5 years their age will be in...

    Text Solution

    |

  4. What number must be added to each of the numbers 5,9,7,12 to get the n...

    Text Solution

    |

  5. Fill in the blank squares : 5: 7 :: 30 : ?

    Text Solution

    |

  6. Fill in the blank squares : 8 : 5 :: ? : 25

    Text Solution

    |

  7. Fill in the blank square: ? : 35 :: 48 : 60

    Text Solution

    |

  8. Fill in the blank squares : 2 : 9:: ? : 27

    Text Solution

    |

  9. Let's verify whether 24, 28, 36, and 48 are in proportion.

    Text Solution

    |

  10. Verify whether 10, 5, 14 and 7 are in proportion.

    Text Solution

    |

  11. Verify whether 14, 5, 10 and 7 are in proportion.

    Text Solution

    |

  12. If 36, 54, x are in continued proportion then find the value of x.

    Text Solution

    |

  13. From different proportions with 7, 8, 14, 16.

    Text Solution

    |

  14. From different proportions with 9, 11, 27 and 33.

    Text Solution

    |

  15. Find whether the sets of numbers are in continued proportion, and writ...

    Text Solution

    |

  16. Find whether the sets of numbers are in continued proportion, and writ...

    Text Solution

    |

  17. Find whether the sets of numbers are in continued proportion, and writ...

    Text Solution

    |

  18. Find whether the sets of numbers are in continued proportion, and writ...

    Text Solution

    |

  19. Find whether the sets of numbers are in continued proportion, and writ...

    Text Solution

    |

  20. Find whether the sets of numbers are in continued proportion, and writ...

    Text Solution

    |