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Before three years, the age of a father ...

Before three years, the age of a father was 5 times the age of his son. After 4 years, the age of father will be 7 times of his son's age 4 years ago. Find the present ages of both father and his son.

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The correct Answer is:
38 years, 10 years;
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CALCUTTA BOOK HOUSE-QUADRATIC EQUATION IN ONE VARIABLE-EXERCISE-1.3
  1. Divide 77 into three such parts that three times of the sum of 1st and...

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  2. Two men and 6 boys together can do a work in 5 days. 8 men and 3 boys ...

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  3. Before three years, the age of a father was 5 times the age of his son...

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  4. The sum of the ages of a father and his son is at present 50 years. Wh...

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  5. The sum of two numbers is equal to 80. Three times of the difference o...

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  6. The sum of the two digits of a two digits' number is 9. if the digits ...

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  7. If 1 is subtracted from the numerator and 2 is added to the denomenato...

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  8. If 2 is subtracted from the numerator and 3 is added to the demoenator...

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  9. A two digits number is 3 times of the sum of its digits. If the digits...

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  10. If the digits of a two digits' number are interchanged, then the numbe...

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  11. The tens' digit of a two digits number is twice of its unit digit. If ...

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  12. If a two digits' number is divided by the sum of digits, the quotient ...

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  13. Rahul said to Rohan. ''I am twice as old as you were when I was as old...

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  14. Fill the blank: Roots of the equation x^2=6x are

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  15. A man rowing at the rate 4 km an hour takes thrice as much time to go ...

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  16. A boat goes up-stream 30 kilometres and down-stream 44 kilometres in 1...

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  17. A boy was aksed to add 3 to a certain number and to divide the sum by ...

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  18. Milk and water are mixed in two pots at the ratios 2:3 and 5:4. In wha...

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  19. A box contains one rupee, fifty paise and twenty five paise coins. The...

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  20. The three sides of a triangle are (x+5), (4x-y) and (y+2) centimetres ...

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