Home
Class 8
MATHS
The age of a boy is one-fifth of the age...

The age of a boy is one-fifth of the age of his mother and the sum of the ages of the son and the mother is equal to the age of the father. After 15 years, the sum of the ages of the son and his mother will be four-third of his father's age. Find the ratio o the present ages of son, mother and father respectively.

A

`1:5:7`

B

`2:10:10`

C

`1:5:6`

D

`2:8:9`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • RATIO, PROPORTION AND VARIATION

    PEARSON IIT JEE FOUNDATION|Exercise TEST YOUR CONCEPTS |50 Videos

  • PROFIT AND LOSS DISCOUNT AND PARTNERSHIP

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL 2) |29 Videos

  • REAL NUMBERS AND LCM AND HCF

    PEARSON IIT JEE FOUNDATION|Exercise level -11|1 Videos

Similar Questions

Explore conceptually related problems

The age of father 10 years ago was thrice the age of his son.10 years hence father's age will be twice that of his son.Find the ratio of their present ages.

The ratio of the ages of a father and a son at present is 5:2 . Four years hence the ratio of the ages of the son his mother will be 1:2 .What is the ratio of the present ages of the father and the mother ?

The sum of ages of father and his son is 75 years.If the age of the son is 25 years find the age of the father.

The sum of ages of father and his son is 75 years.If the age of the son is 25 years,find the age of the father.

The age of father is equal to the square of the age of his son. The sum of the age of the father and five times the age of the son is 66 years. Find their ages.

The ratio of the present ages of a son and his father is 1:5 and that of his mother and father is 4:5 After 2 years the ratio of the age of the son to that of his mother becomes 3:10 . What is the present age of the father ?

The age of father 10 years ago was thrice the age of his son. Ten years hence, father's age will be twice that of his son. The ratio of their present ages is:

The sum of the ages of a father and his son is 4 times the age of the son. If the average age of the father and the son is 28 years, what is the son's age?

The sum of the ages of father and his son is 45 years.5 years ago the products of their ages was 124. Find the present ages.

PEARSON IIT JEE FOUNDATION-RATIO, PROPORTION AND VARIATION-CONCEPT APPLICATION
  1. The present ages of Aruna and Karuna are in the ratio 6:5. if the diff...

    Text Solution

    |

  2. If (Px)/((b-c))=(Qy)/((c-a))=(Rz)/((a-b)), then find Pax+Qby+Rcz.

    Text Solution

    |

  3. If x+y+z=0 and (x^(3)+y^(3))/(xyz)=(y^(3)+z^(3))/(xyz)=(x^(3)+z^(3))/(...

    Text Solution

    |

  4. If (a)/(b)=(c)/(d)=(e)/(f), then (a^(3)+c^(3)+e^(3))/(b^(3)+d^(3)+f^(3...

    Text Solution

    |

  5. if p=(8ab)/(a+b), then find the value of ((p+4a)/(p-4a)+(p+4b)/(p-4b))...

    Text Solution

    |

  6. Twenty two men cann complete a piece of work in 17 days. They work for...

    Text Solution

    |

  7. Twenty two men cann complete a piece of work in 17 days. They work for...

    Text Solution

    |

  8. Twenty five men can make a certain number of chairs in 80 working hour...

    Text Solution

    |

  9. The ratio between two numbers is 3:5 and their sum is 40. Find the lar...

    Text Solution

    |

  10. In a bag, the number of Rs 10 notes, Rs 20 notes and Rs 50 notes are i...

    Text Solution

    |

  11. Which of the followin ratios are in descending order?

    Text Solution

    |

  12. Raja divided 35 sweets among his daughters Rani and Sita in the ratio ...

    Text Solution

    |

  13. In a bag, the numbers of Re 1 coins, 50 paise coins and 25 paise coins...

    Text Solution

    |

  14. if P:Q:R=2:3:4 and P^(2)+Q^(2)+R^(2)=11600, then find P+Q+R, where P,Q...

    Text Solution

    |

  15. The age of a boy is one-fifth of the age of his mother and the sum of ...

    Text Solution

    |

  16. In a school, maximum strength of each class is 60. In class VIII, the ...

    Text Solution

    |

  17. If x=(4sqrt(2))/(sqrt(2)+1), then find the value of (x+2)/(x-2)-(x+2sq...

    Text Solution

    |

  18. A diamond worth Rs 640000 breaks into two pices whose weights are in t...

    Text Solution

    |

  19. In a vessel, the pressure of a gas varies directly with its temperatur...

    Text Solution

    |

  20. In a school there are 650 students. The ratio of the boys to that fo t...

    Text Solution

    |