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Seven years ago Varuns age was five time...

Seven years ago Varuns age was five times the square of Swatis age. Three years hence Swatis age will be two fifth of Varuns age. Find their present ages.

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VK GLOBAL PUBLICATION-QUADRATIC EQUATIONS-PROFICIENCY EXERCISE Short Answer Questions-II
  1. If the roots of the equation (a^2+b^2)x^2-2(a c+b d)x+(c^2+d^2)=0 are ...

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  2. The difference of two natural numbers is 3 and the difference of th...

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  3. Seven years ago Varuns age was five times the square of Swatis age. ...

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  4. The area of a right angled triangle is 165m^2 . Determine its base and...

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  5. Is it possible to design or rectangular park of perimeter 40 m and are...

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  6. Determine the condition for the roots of the equation ax^(2)+bx+c=0 to...

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  7. Show that the equation 2(a^2+b^2)x^2+2(a+b)x+1=0 has not real roots, w...

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  8. Find the value of k for which the equation x^(2)-2(1+3k)x+7(3+2k)=0 ha...

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  9. Find the roots of the equation: x^2+200x+9975=0

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  10. If 1 is a root of the quadratic equation x^(2)+px-2=0 and the quadrati...

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  11. Find the non-zero value of k for which the quadratic equations kx^2+1-...

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  12. Find whether the following equations have real roots. If real roots ex...

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  13. Find whether the following equations have real roots. If real roots ex...

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  14. Find whether the following equation have real roots. If real roots exi...

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  15. Find whether the following equations have real roots. If real roots ex...

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  16. Find whether the following equations have real roots. If real roots ex...

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  17. Find whether the following equations have real roots. If real roots ex...

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  18. Solve for x: (x-3)/(x-4)+(x-5)/(x-6)=(10)/(6),xne4,6

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  19. Solve: (x-2)/(x-3)+(x-4)/(x-5)=3(1)/(3),xne3,5.

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  20. 3((3x-1)/(2x+3))-2((2x+3)/(3x-1))=5, x!=1/3,-3/2

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