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The sum of two numbers is equal to 80. T...

The sum of two numbers is equal to 80. Three times of the difference of them is 20 more than the greatest number. Find the two numbers.

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The correct Answer is:
52, 28;
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CALCUTTA BOOK HOUSE-QUADRATIC EQUATION IN ONE VARIABLE-EXERCISE-1.3
  1. Before three years, the age of a father was 5 times the age of his son...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. If the length of a rectangle is decreased by 5 metres and the breadth ...

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  20. The monthly income of two brothers is RS 1550. One of them gives half ...

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